Ingredients Starting With D

250 skincare ingredients in the glossary begin with D. Learn what each one does, how it works, and which products contain it.

D

D-Alpha-Tocopherol

Tocopherol

Natural-form Vitamin E with superior bioactivity

D-Panthenol

Pantothenic Acid

Well-known hydrating ingredient May also help soothe sensitivity

Daemonorops Draco Extract

DAEMONOROPS DRACO EXTRACT

A resin extract traditionally used for skin-comforting, now studied for skin barrier and inflammation support

Daidzein

genistein (sister isoflavone)

A type of antioxidant known as an isoflavone found in soybeans Pronounced ability to help skin better withstand environmental exposure

Dapsone

A prescription medication used to manage inflammatory skin conditions related to systemic disease

Darutoside

DARUTOSIDE

A plant-derived compound with potential to support skin soothing and reduce inflammation

Datem

DATEM

A multi-functional emollient and emulsifier derived from plant sources

Daucus Carota Fruit Oil

DAUCUS CAROTA FRUIT OIL

A fragrant oil derived from carrot seeds, primarily used to add scent to skincare formulations

Daucus Carota Sativa (Carrot) Root Extract

Plant species that’s a source of numerous skin care ingredients

Daucus Carota Sativa Extract

DAUCUS CAROTA SATIVA EXTRACT

A plant-derived extract traditionally valued for skin conditioning and subtle fragrance

Daucus Carota Sativa Juice

DAUCUS CAROTA SATIVA JUICE

Plant-derived skin conditioning extract from carrot root juice

Daucus Carota Sativa Leaf Extract

DAUCUS CAROTA SATIVA LEAF EXTRACT

A plant extract with antioxidant and skin-conditioning properties

Daucus Carota Sativa Root

DAUCUS CAROTA SATIVA ROOT

A plant-derived conditioning agent that helps support skin hydration and softness

Daucus Carota Sativa Root Cell Culture Lysate

DAUCUS CAROTA SATIVA ROOT CELL CULTURE LYSATE

A plant cell extract designed to support skin conditioning and resilience

Daucus Carota Sativa Root Extract

DAUCUS CAROTA SATIVA ROOT EXTRACT

Plant extract with skin-conditioning and soothing properties

Daucus Carota Sativa Root Juice

DAUCUS CAROTA SATIVA ROOT JUICE

A plant-derived humectant that draws moisture into the skin

Daucus Carota Sativa Root Powder

DAUCUS CAROTA SATIVA ROOT POWDER

A plant-derived powder that conditions and softens the skin

Daucus Carota Sativa Root Water

DAUCUS CAROTA SATIVA ROOT WATER

A carrot root extract primarily used to add subtle scent and flavour to skincare formulations

Daucus Carota Sativa Seed Extract

DAUCUS CAROTA SATIVA SEED EXTRACT

A plant-derived conditioning agent that supports skin hydration and softness

Daucus Carota Sativa Seed Oil

DAUCUS CAROTA SATIVA SEED OIL

A plant oil rich in carotenoids and fatty acids that conditions and softens skin

Davidsonia Jerseyana Fruit Extract

DAVIDSONIA JERSEYANA FRUIT EXTRACT

A fruit extract with antioxidant and conditioning properties for skin and hair

DEA Pg-Propyl PEG …

DEA PG-PROPYL PEG/PPG-20/20 DIMETHICONE

A silicone-based conditioning agent that smooths and protects the hair fibre

Decacarboxymethyl Palmitoyl Pentapeptide-67

DECACARBOXYMETHYL PALMITOYL PENTAPEPTIDE-67

A peptide-derived humectant designed to support skin hydration and barrier function

Decapeptide-12

DECAPEPTIDE-12

A peptide designed to help address uneven skin tone and photodamage

Decapeptide-21

DECAPEPTIDE-21

A peptide designed to support skin's structural integrity and resilience

Decapeptide-22

DECAPEPTIDE-22

A peptide that helps support skin's structural integrity and resilience

Decapeptide-3

DECAPEPTIDE-3

A peptide that may support skin structure and firmness through conditioning

Decapeptide-4

DECAPEPTIDE-4

A peptide that supports skin's structural integrity and resilience

Decapeptide-40

DECAPEPTIDE-40

A peptide that supports skin's natural conditioning and structural integrity

Decapeptide-5

DECAPEPTIDE-5

A peptide that supports skin conditioning and structural resilience

Decapeptide-52

peptide 14

Also called peptide 14 or OS-01

Decarboxy Carnosine HCL

Carcinine

Biomimetic peptide (meaning it is lab-engineered to emulate a natural peptide in the body) Known for its antioxidant power and other anti-ageing effects

Decene

DECENE

A solvent and texture-modifying ingredient used in skincare formulations

Deceth-8

DECETH-8

A gentle emulsifier that helps bind water and oil-based ingredients in skincare formulations

Decyl Alcohol

DECYL ALCOHOL

A fatty alcohol that conditions and stabilises formulations

Decyl Cocoate

DECYL COCOATE

A coconut-derived emollient that softens and conditions the skin barrier

Decyl Glucoside

Primarily used as a surfactant (cleansing agent)

Decyl Oleate

Skin-conditioning agent

Decylene Glycol

A synthetic, skin-softening glycol

Decyloxazolidinone

DERMAC SR-38

Functions as a preservative

Deer Antler Extract

DEER ANTLER EXTRACT

A traditional ingredient with emerging evidence for skin texture and resilience

Defatted Rice Bran

DEFATTED RICE BRAN

A rice-derived skin conditioning agent with potential antioxidant and skin-soothing properties

Defatted Rice Bran Extract

DEFATTED RICE BRAN EXTRACT

A plant-derived antioxidant from rice bran that may help address uneven skin tone

Defined Cell Culture Media 9

DEFINED CELL CULTURE MEDIA 9

A laboratory-derived skin conditioning ingredient developed from cell culture research

Dehydroacetic Acid

Synthetic preservative

7-Dehydrocholesterol

7-DEHYDROCHOLESTEROL

A cholesterol precursor that supports skin's natural vitamin D synthesis pathway

Dehydroxanthan Gum

DEHYDROXANTHAN GUM

A stabilising polymer that maintains texture and consistency in skincare formulations

Delphinium Consolida … Flower Extract

DELPHINIUM CONSOLIDA/LONICERA CAPRIFOLIUM/CALENDULA OFFICINALIS/CENTAUREA CYANUS) FLOWER EXTRACT

A botanical blend of flower extracts with skin-conditioning properties

Delta-Damascone

DELTA-DAMASCONE

A fragrance compound that adds scent and masking properties to skincare formulations

Demethoxycurcumin

DEMETHOXYCURCUMIN

A curcumin derivative with antioxidant properties, derived from turmeric

Denatured Alcohol

A type of volatile alcohol that can irritate skin | Depletes key substances in skin’s moisture barrier

Dendrobium Nobile Stem Extract

DENDROBIUM NOBILE STEM EXTRACT

A plant extract that helps condition and support skin's natural moisture balance

Dendrobium Nobile/Phalaenopsis Amabilis Extract

DENDROBIUM NOBILE/PHALAENOPSIS AMABILIS EXTRACT

A plant extract that conditions and protects the skin barrier

Dendrobium Phalaenopsis Flower Extract

DENDROBIUM PHALAENOPSIS FLOWER EXTRACT

A flower extract studied for antioxidant and anti-ageing potential in skincare

Deoxyribonuclease

DEOXYRIBONUCLEASE

An enzyme that supports the skin's natural repair processes and inflammatory response

Desamido Collagen

DESAMIDO COLLAGEN

A breakdown product of collagen that conditions skin and hair whilst forming a protective film

Deuterium Oxide

A water isotope with emerging research into cellular stress response and potential antioxidant effects

Dexamethasone

A potent glucocorticoid used in prescription skincare for inflammatory skin conditions

Dextran

Type of sugar that has water-binding properties for skin

Dextran Hydroxypropyltrimonium Chloride

DEXTRAN HYDROXYPROPYLTRIMONIUM CHLORIDE

A conditioning agent derived from dextran that helps improve hair texture and manageability

Dextran Sulfate

DEXTRAN SULFATE

A polysaccharide that conditions and binds moisture to the skin surface

Dextrin Palmitate

DEXTRIN PALMITATE

A multi-purpose texture modifier that helps stabilise oil-based skincare formulations

Dextrin Palmitate/Ethylhexanoate

DEXTRIN PALMITATE/ETHYLHEXANOATE

A multifunctional powder ingredient that helps stabilise formulations and reduce caking

Di-PPG-2 Myreth-10 Adipate

DI-PPG-2 MYRETH-10 ADIPATE

A lightweight emollient that conditions and softens skin whilst supporting product texture

Diacetyl Boldine

DIACETYL BOLDINE

A tyrosinase stabiliser studied for its potential role in brightening and skin conditioning

Diaminopropionoyl Tripeptide-33

DIAMINOPROPIONOYL TRIPEPTIDE-33

A peptide designed to support skin's structural integrity and conditioning

Diaminopyrimidine Oxide

DIAMINOPYRIMIDINE OXIDE

A conditioning agent studied for potential support in hair growth and scalp health

Diamond Powder

DIAMOND POWDER

A crystalline abrasive that mechanically exfoliates the skin's surface

Diatomaceous Earth

DIATOMACEOUS EARTH

A mineral exfoliant derived from fossilised diatom shells

Diazolidinyl Urea

DIAZOLIDINYL UREA

A broad-spectrum preservative that extends the shelf life of skincare formulations

Dibutyl Adipate

Di-n-butyl adipate

Ester blend of a fatty alcohol and fatty acid

Dibutyl Ethylhexanoyl Glutamide

DIBUTYL ETHYLHEXANOYL GLUTAMIDE

A conditioning agent that helps soften and smooth both skin and hair

Dibutyl Lauroyl Glutamide

DIBUTYL LAUROYL GLUTAMIDE

A conditioning agent that forms a protective layer on skin and hair

Dicalcium Phosphate

DICALCIUM PHOSPHATE

A mineral abrasive used in skincare to provide gentle physical exfoliation

Dicapryl Adipate

DICAPRYL ADIPATE

A lightweight synthetic emollient that softens skin and helps formulations spread evenly

Dicaprylyl Carbonate

A fast-spreading, dry skin-conditioning agent, emollient, and solvent

Dicaprylyl Ether

Oil derived from caprylic acid, a fatty acid found in coconut and palm kernel oils | Provides smooth spreadability and non-greasy emolliency

Dicetyl Dipeptide-9

DICETYL DIPEPTIDE-9

A peptide derivative designed to support skin structure and delivery systems in formulations

Dicetyl Phosphate

Works as a mild cleansing agent and emulsifier | Helps control the thickness of liquids

Dicetyl Thiodipropionate

DICETYL THIODIPROPIONATE

An antioxidant preservative that protects skincare formulations from oxidative degradation

Dicetyldimonium Chloride

DICETYLDIMONIUM CHLORIDE

A conditioning agent that improves texture and reduces static in rinse-off formulations

Dichlorophenyl Imidazoldioxolan

DICHLOROPHENYL IMIDAZOLDIOXOLAN

An purifying ingredient that helps regulate excess sebum production

Dicocodimonium Chloride

DICOCODIMONIUM CHLORIDE

A conditioning agent that helps stabilise formulations and improve texture

Dictyopteris Membranacea Extract

DICTYOPTERIS MEMBRANACEA EXTRACT

A seaweed-derived antioxidant that helps protect skin from environmental stress

Dictyopteris Polypodioides Extract

DICTYOPTERIS POLYPODIOIDES EXTRACT

A marine extract that conditions and softens the skin

Diethanolaminooleamide DEA

DIETHANOLAMINOOLEAMIDE DEA

A surfactant that stabilises foam and texture in cleansing formulations

Diethoxyethyl Succinate

DIETHOXYETHYL SUCCINATE

A solvent that helps dissolve and stabilise other skincare actives

Diethyl Ascorbic Acid

DIETHYL ASCORBIC ACID

A stable vitamin C derivative designed to support skin's antioxidant defences

Diethyl Ethanolamine

DIETHYL ETHANOLAMINE

A pH buffer that helps stabilise skincare formulations and maintain skin compatibility

Diethyl Phthalate

DIETHYL PHTHALATE

A synthetic chemical used to improve texture and preserve fragrance in cosmetic formulations

Diethylamino Hydroxybenzoyl Hexyl Benzoate

DHHB

Synthetic sunscreen agent that helps shield skin against UVA rays Approved as UV filter in many global markets but not in the U.S.

Diethylene Glycol Dibenzoate

DIETHYLENE GLYCOL DIBENZOATE

A synthetic emollient that softens and conditions skin and hair

Diethylhexyl 2,6-Naphthalate

DIETHYLHEXYL 2,6-NAPHTHALATE

A photostabiliser and emollient used primarily in sun protection formulations

Diethylhexyl Adipate

DIETHYLHEXYL ADIPATE

A synthetic emollient that conditions skin and helps formulations spread smoothly

Diethylhexyl Butamido Triazone

Iscotrizinol

Synthetic, oil-soluble UV filter

Diethylhexyl Carbonate

Synthetic oil-like ester | Functions as a skin-conditioning agent and emollient

Diethylhexyl Malate

Emollient and skin-conditioning agent derived from the solvent

Diethylhexyl Maleate

DIETHYLHEXYL MALEATE

A synthetic emollient that softens and conditions the skin barrier

Diethylhexyl Sodium Sulfosuccinate

DIETHYLHEXYL SODIUM SULFOSUCCINATE

A surfactant and emulsifier that stabilises cleansing and treatment formulations

Diethylhexyl Succinate

DIETHYLHEXYL SUCCINATE

A lightweight ester that conditions skin and helps formulations spread evenly

Diethylhexyl Syringylidenemalonate

An ester that functions as an antioxidant and photostabiliser | Stabilises UV filters, especially avobenzone

Diethyllutidinate

DIETHYLLUTIDINATE

A conditioning agent that helps improve skin and hair texture and moisture retention

Diglucosyl Gallic Acid

Synthetic antioxidant | Derivative of benzoic acid

Diglycerin

DIGLYCERIN

A gentle humectant that draws moisture into the skin and supports hydration

Diheptyl Succinate

Lightweight, emollient texture enhancer Sometimes used as a replacement for silicones in cosmetics

Dihydro-Alpha-Methyl Alpha-Ionone

DIHYDRO-ALPHA-METHYL ALPHA-IONONE

A fragrance compound with emerging research into skin protection and resilience

Dihydrocholeth-15

DIHYDROCHOLETH-15

A gentle emulsifier that helps bind water and oil in skincare formulations

Dihydrocholeth-20

DIHYDROCHOLETH-20

An emulsifying agent that helps blend water and oil-based ingredients in formulations

Dihydromyricetin

DIHYDROMYRICETIN

A plant-derived compound that may help address skin ageing at the epigenetic level

Dihydroquercetin Glucoside

DIHYDROQUERCETIN GLUCOSIDE

A plant-derived antioxidant that helps protect skin from environmental stress

Dihydroxy Methylchromone

DIHYDROXY METHYLCHROMONE

A plant-derived antioxidant that helps protect skin from environmental stress

Dihydroxy Methylchromonyl Palmitate

DIHYDROXY METHYLCHROMONYL PALMITATE

A plant-derived protective compound with antioxidant properties

Dihydroxyacetone

DHA | Reacts with amino acids found in the top layers of skin to create a shade of brown

2,5-Dihydroxybenzoyl Dipeptide-48

2,5-DIHYDROXYBENZOYL DIPEPTIDE-48

A peptide-derived humectant that supports skin hydration and conditioning

Dihydroxypropyl Arginine Hcl

DIHYDROXYPROPYL ARGININE HCL

An amino acid derivative that conditions and hydrates skin and hair

Dihydroxypropyltrimonium Chloride

DIHYDROXYPROPYLTRIMONIUM CHLORIDE

A conditioning agent that helps support skin's natural moisture balance and ion transport

Diindolylmethane

A phytochemical compound with emerging evidence for inflammatory skin conditions

Diisooctyl Succinate

Liquid emollient that lends a cushiony texture and silky finish to creams and balms | May also be used to disperse sunscreen ingredients

Diisopropyl Adipate

Fatty acid ester of isopropyl alcohol and adipic acid

Diisopropyl Dimer Dilinoleate

A synthetic ester that functions as a skin-conditioning agent and emollient

Diisopropyl Sebacate

Synthetic or plant-derived emollient and plasticizer

Diisostearoyl Polyglyceryl-3 Dimer Dilinoleate

DIISOSTEAROYL POLYGLYCERYL-3 DIMER DILINOLEATE

A synthetic emollient that softens skin and supports moisture retention

Diisostearyl Malate

Malic Acid

Emollient made from a fatty alcohol + malic acid

Diisostearyl Polyglyceryl-3 Dimer Dilinoleate

Used in cosmetics to enhance coverage, water-resistance, and wear time

Dilauryl Citrate

DILAURYL CITRATE

A lightweight ester that conditions skin whilst maintaining a smooth application

Dilauryl Thiodipropionate

Offers antioxidant properties for skin | Plays a role in fading the look of dark spots

Dilinoleic Acid/Butanediol Copolymer

DILINOLEIC ACID/BUTANEDIOL COPOLYMER

A synthetic polymer that forms a flexible protective layer on the skin surface

Dimer D-Phenylalanyl Tripeptide-75

DIMER D-PHENYLALANYL TRIPEPTIDE-75

A peptide derivative that supports skin conditioning and structural integrity

Dimer Tripeptide-43

Developed by Ashland

Dimethicone

Silicone

Commonly used emollient, known for its gentleness and silky feel Recognized as a skin protectant (in concentrations 1-30%) by the U.S. FDA

Dimethicone Copolyol

Dimethylpolysiloxan

A type of silicone derived from silica

Dimethicone Crosspolymer

A derivative of the silicone dimethicone | Used as a stabiliser, suspending agent, and thickener

Dimethicone PEG-7 Phosphate

DIMETHICONE PEG-7 PHOSPHATE

A silicone-based cleanser and emulsifier that helps remove oil and impurities

Dimethicone PEG-8 Phosphate

DIMETHICONE PEG-8 PHOSPHATE

A silicone-based conditioning agent that softens skin and enhances product texture

Dimethicone Pg-Diethylmonium Chloride

DIMETHICONE PG-DIETHYLMONIUM CHLORIDE

A silicone-based conditioning agent that smooths and protects the hair and skin barrier

Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer

Synthetic cross-linked polymer | Enhances formula texture

Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer

Dimethicone Crosspolymer

Synthetic cross-linked polymer

Dimethicone …

DIMETHICONE/DIVINYLDIMETHICONE/SILSESQUIOXANE CROSSPOLYMER

A silicone-based film-former that smooths texture and stabilises formulations

Dimethicone/Methicone Copolymer

DIMETHICONE/METHICONE COPOLYMER

A silicone polymer that smooths texture and improves product spreadability in formulations

Dimethicone/Polyglycerin-3 Crosspolymer

DIMETHICONE/POLYGLYCERIN-3 CROSSPOLYMER

A silicone polymer that stabilises formulations and conditions skin

Dimethicone/Vinyl Dimethicone Crosspolymer

A type of silicone powder | Can be difficult to disperse in a formulation

Dimethicone/Vinyltrimethylsiloxysilicate Crosspolymer

DIMETHICONE/VINYLTRIMETHYLSILOXYSILICATE CROSSPOLYMER

A silicone polymer that creates a smooth, protective film on skin

Dimethiconol

Dimethiconol arginine

Skin-conditioning emollient that helps preserve hydration

Dimethiconol Kokum Butterate

DIMETHICONOL KOKUM BUTTERATE

A silicone-oil hybrid that conditions skin while providing a smooth, non-greasy feel

Dimethiconol Panthenol

DIMETHICONOL PANTHENOL

A silicone-panthenol hybrid that conditions and smooths the skin barrier

Dimethiconol/Silsesquioxane Copolymer

DIMETHICONOL/SILSESQUIOXANE COPOLYMER

A silicone-based conditioning polymer that smooths the skin surface and reduces moisture loss

Dimethoxy Di-P-Cresol

DIMETHOXY DI-P-CRESOL

An antioxidant that helps protect skin from environmental damage and supports skin conditioning

Dimethyl Capramide

Dimethyl capramide functions as a stabiliser and solvent in cosmetics

Dimethyl Ether

DIMETHYL ETHER

A multifunctional solvent that supports skin barrier structure and hydration

Dimethyl Glutamic Acid

DIMETHYL GLUTAMIC ACID

A mild amino acid derivative that conditions skin and hair

Dimethyl Isosorbide

Synthetic or plant-derived solvent | Helps control the viscosity of cosmetics

Dimethyl Lauroyl Lysine

DIMETHYL LAUROYL LYSINE

A skin-conditioning agent that helps improve texture and surface smoothness

Dimethyl Mea

DIMETHYL MEA

A pH buffer that helps stabilise skincare formulations and maintain skin compatibility

Dimethyl Sulfone

DIMETHYL SULFONE

A solvent and viscosity modifier with emerging evidence in skin barrier support

Dimethyl Urea

DIMETHYL UREA

A conditioning agent primarily used in nail care formulations

2-Dimethylamino Ethanol

A choline precursor studied for its potential to support skin firmness and hydration

Dimethylamino Methylpropanol

DIMETHYLAMINO METHYLPROPANOL

A pH buffer that stabilises formulations and protects product integrity

Dimethylaminoethanol Tartrate

DIMETHYLAMINOETHANOL TARTRATE

A skin-conditioning agent with theoretical firming potential, though evidence remains limited

3,5-Dimethylcyclohexylmethyl Acetate

3,5-DIMETHYLCYCLOHEXYLMETHYL ACETATE

A synthetic fragrance compound used to add scent to skincare formulations

Dimethylhydroquinone

DIMETHYLHYDROQUINONE

A fragrance component with potential antioxidant properties in skincare formulations

Dimethylimidazolidinone Rice Starch

DIMETHYLIMIDAZOLIDINONE RICE STARCH

A rice starch derivative that absorbs excess oil and thickens formulations

Dimethylmethoxy Chromanol

Lipochroman-6

Synthetic molecule that’s analog to vitamin E Supplies impressive antioxidant properties tied to its potency

Dimethylmethoxy Chromanyl Palmitate

DIMETHYLMETHOXY CHROMANYL PALMITATE

A vitamin E derivative that conditions skin and supports moisture retention

Dimethylol Urea

DIMETHYLOL UREA

A preservative system with purifying properties to help maintain product stability

Dimethylsilanol Hyaluronate

Derived from sodium hyaluronate | Has moisturising properties

Dinonyl Phenol

DINONYL PHENOL

A synthetic conditioning agent that helps improve skin texture and feel

Dioctyldodecyl Dodecanedioate

DIOCTYLDODECYL DODECANEDIOATE

A synthetic ester that conditions and smooths skin and hair while reducing static

Dioleyl Tocopheryl Methylsilanol

DIOLEYL TOCOPHERYL METHYLSILANOL

A vitamin E derivative that protects skin from oxidative stress and supports the skin barrier

Dioscorea Japonica Fruit … Ferment Filtrate

DIOSCOREA JAPONICA FRUIT/CALCIUM HYDROXIDE/MAGNESIUM HYDROXIDE/POTASSIUM OXIDE/SILICA/SODIUM HYDROXIDE/SUCROSE FERMENT FILTRATE

A fermented complex that conditions and protects the skin barrier

Dioscorea Japonica Root Extract

DIOSCOREA JAPONICA ROOT EXTRACT

A plant extract traditionally used in oriental medicine to support skin hydration and comfort

Dioscorea Japonica Root Powder

DIOSCOREA JAPONICA ROOT POWDER

A plant-derived powder that conditions and softens the skin barrier

Dioscorea Opposita Root Extract

DIOSCOREA OPPOSITA ROOT EXTRACT

Plant extract with skin-conditioning properties, traditionally used in herbal medicine

Dioscorea Oppositifolia Root Extract

DIOSCOREA OPPOSITIFOLIA ROOT EXTRACT

A plant-derived extract with traditional use in skincare and emerging research into skin-soothing properties

Dioscorea Villosa Root Extract

DIOSCOREA VILLOSA ROOT EXTRACT

Plant extract traditionally used to support skin hydration and barrier function

Diosmine

Diosmin

Citrus-derived flavonoid Potent antioxidant

Diospyros Kaki Calyx Extract

DIOSPYROS KAKI CALYX EXTRACT

Plant extract with antioxidant and soothing properties, derived from persimmon calyces

Diospyros Kaki Fruit Extract

DIOSPYROS KAKI FRUIT EXTRACT

A fruit extract with antioxidant potential and preliminary evidence for UV-related skin support

Diospyros Kaki Leaf Extract

DIOSPYROS KAKI LEAF EXTRACT

A plant extract rich in tannins, traditionally used to support skin soothing and resilience

Dipalmitoyl Hydroxyproline

Proline

An oil-soluble derivative of hydroxyproline Hydroxyproline is the primary amino acid in skin’s collagen

Dipalmitoylethyl Dimonium Chloride

DIPALMITOYLETHYL DIMONIUM CHLORIDE

A quaternary ammonium compound primarily used in hair and scalp formulations

Dipentaerythrityl Hexa C5-9 Acid Esters

DIPENTAERYTHRITYL HEXA C5-9 ACID ESTERS

A synthetic ester that conditions skin and hair whilst providing a smooth, lightweight feel

Dipentaerythrityl Hexacaprylate/Hexacaprate

A mixture of fatty acids | Used as an emollient, emulsifier, and thickening agent in skin care products

Dipentaerythrityl Hexahydroxystearate

Lanolin (alternative)

Functions as an emulsifying agent and viscosity adjuster in skin care formulations

Dipentaerythrityl Hexahydroxystearate …

DIPENTAERYTHRITYL HEXAHYDROXYSTEARATE/HEXASTEARATE/HEXAROSINATE

A multifunctional conditioning agent that helps stabilise and smooth formulations

Dipentaerythrityl Tetrabehenate/Polyhydroxystearate

Made by combining two fatty acids and a humectant | May be plant-derived or synthetic

Dipentaerythrityl Tetrahydroxystearate/Tetraisostearate

DIPENTAERYTHRITYL TETRAHYDROXYSTEARATE/TETRAISOSTEARATE

A thickening agent and skin conditioner derived from fatty acids

Dipentaerythrityl Tetraisostearate

DIPENTAERYTHRITYL TETRAISOSTEARATE

A lightweight emollient that conditions and softens the skin barrier

Dipentaerythrityl Tri-Polyhydroxystearate

Polyhydroxystearic Acid

Film-forming emollient that is known for adding water-resistance properties (popular in sunscreens)

Dipeptide Diaminobutyroyl Benzylamide Diacetate

DIPEPTIDE DIAMINOBUTYROYL BENZYLAMIDE DIACETATE

A peptide compound studied for its potential to support skin firmness and reduce visible wrinkles

Dipeptide Diaminobutyroyl Benzylamide Diacetate Oligopeptide-133

DIPEPTIDE DIAMINOBUTYROYL BENZYLAMIDE DIACETATE OLIGOPEPTIDE-133

A peptide ingredient designed to support skin firmness and reduce the appearance of expression lines

Dipeptide-1

DIPEPTIDE-1

A peptide ingredient studied for its potential to calm and condition sensitive skin

Dipeptide-12

DIPEPTIDE-12

A peptide that may support skin renewal and reduce visible signs of ageing

Dipeptide-15

DIPEPTIDE-15

A peptide that supports skin and hair conditioning through protein-derived molecules

Dipeptide-2

Peptides

A synthetic peptide made by combining tryptophan and valine. May be helpful for alleviating undereye puffiness.

Dipeptide-4

Anti-oedema peptide for reducing puffiness

Dipeptide-5

DIPEPTIDE-5

A peptide fragment that supports skin conditioning and structural integrity

Dipeptide-8

DIPEPTIDE-8

A peptide that supports skin conditioning and structural integrity

Diphenhydramine Hcl

DIPHENHYDRAMINE HCL

A topical antihistamine used primarily in haircare and skin conditioning formulations

Diphenyl Dimethicone

DIPHENYL DIMETHICONE

A silicone polymer that conditions skin and hair whilst helping formulations flow smoothly

Diphenyl Dimethicone …

DIPHENYL DIMETHICONE/VINYL DIPHENYL DIMETHICONE/SILSESQUIOXANE CROSSPOLYMER

A silicone-based thickener that stabilises texture and feel in skincare formulations

Diphenylsiloxy Phenyl Trimethicone

DIPHENYLSILOXY PHENYL TRIMETHICONE

A silicone polymer that smooths texture and conditions skin without heavy residue

Dipotassium Azelate

DIPOTASSIUM AZELATE

A potassium salt that helps regulate product texture and stability

Dipotassium EDTA

DIPOTASSIUM EDTA

A chelating agent that stabilises formulations and supports product efficacy

Dipotassium Glycyrrhizate

Glycyrrhizic Acid

Derived from licorice Has antioxidant benefits

Dipropylene Glycol

Synthetic slip agent, texturizer, and solvent

Dipropylheptyl Carbonate

DIPROPYLHEPTYL CARBONATE

A lightweight emollient that conditions skin without a heavy feel

Dipsacus Sylvestris Extract

Has “significant” antioxidant activity

Dipteryx Odorata Bean Extract

DIPTERYX ODORATA BEAN EXTRACT

A natural fragrance ingredient derived from tonka bean with sensory masking properties

Diretinyl Ether

DIRETINYL ETHER

An ether derivative with antioxidant and skin-conditioning properties

Disiloxane

Part of the siloxane group of silicones | Imparts slip and anti-foaming properties into formulas

Disodium Acetyl Glucosamine Phosphate

DISODIUM ACETYL GLUCOSAMINE PHOSPHATE

A skin-conditioning agent derived from glucose that supports hydration and moisture retention

Disodium Coco-Glucoside Citrate

DISODIUM COCO-GLUCOSIDE CITRATE

A gentle plant-derived emulsifier that helps stabilise skincare formulations

Disodium Cocoamphodiacetate

Disodium cocoamphodiacetate is a mild detergent cleansing agent

Disodium Cocoamphodipropionate

DISODIUM COCOAMPHODIPROPIONATE

A mild surfactant derived from coconut oil, used primarily in cleansers and conditioning products

Disodium Cocoyl Glutamate

DISODIUM COCOYL GLUTAMATE

A coconut-derived cleanser that removes oil without aggressive stripping

Disodium Cromolyn

DISODIUM CROMOLYN

A topical agent that may help reduce allergic skin reactions when applied beforehand

Disodium EDTA

One of the salt forms of ethylenediaminetetraacetic acid | Helps enhance the stability of cosmetics formulas

Disodium Ethylene Dicocamide PEG-15 Disulfate

DISODIUM ETHYLENE DICOCAMIDE PEG-15 DISULFATE

A coconut-derived surfactant that cleanses and enhances foam in rinse-off formulations

Disodium Flavine Adenine Dinucleotide

DISODIUM FLAVINE ADENINE DINUCLEOTIDE

A coenzyme that supports cellular energy metabolism in skincare formulations

Disodium Laureth Sulfosuccinate

Cleansing agent found in products such as face wash, bubble bath, and shampoo

Disodium Lauriminodipropionate Tocopheryl Phosphates

Lauriminodipropionic Acid

A mixture of esters formed from a blend of tocopherol phosphates with lauriminodipropionic acid

Disodium Lauroamphodiacetate

DISODIUM LAUROAMPHODIACETATE

A mild surfactant that cleanses whilst maintaining skin's natural balance

Disodium Lauryl Sulfosuccinate

DISODIUM LAURYL SULFOSUCCINATE

A mild surfactant that cleanses effectively whilst minimising irritation

Disodium Oleamido PEG-2 Sulfosuccinate

DISODIUM OLEAMIDO PEG-2 SULFOSUCCINATE

A gentle surfactant that cleanses and stabilises formulations

Disodium Phenyl Dibenzimidazole Tetrasulfonate

DISODIUM PHENYL DIBENZIMIDAZOLE TETRASULFONATE

A water-soluble chemical UV filter used in modern sunscreen formulations

Disodium Phosphate

“Behind-the-scenes” ingredient commonly used as a buffering agent/pH adjuster

Disodium S-Phytyl Diglycoloylcysteine

DISODIUM S-PHYTYL DIGLYCOLOYLCYSTEINE

A phytosterol-derived protective agent that supports skin barrier function

Disodium Stearoyl Glutamate

DISODIUM STEAROYL GLUTAMATE

A gentle amino acid-derived cleanser and conditioning agent for mild formulations

Disodium Succinate

DISODIUM SUCCINATE

A mild surfactant and masking agent used in cleansing and emulsifying formulations

Disodium Succinoyl Farnesylcysteine

DISODIUM SUCCINOYL FARNESYLCYSTEINE

A farnesylated amino acid derivative designed to reinforce skin's protective barrier

Disodium Tetramethylhexadecenyl Succinoyl Cysteine

DISODIUM TETRAMETHYLHEXADECENYL SUCCINOYL CYSTEINE

A skin-conditioning agent with purifying properties for clearer, balanced skin

Disoyoylethyl Hydroxyethylmonium Methosulfate

DISOYOYLETHYL HYDROXYETHYLMONIUM METHOSULFATE

A conditioning agent that smooths hair fibre and reduces static charge

Distarch Phosphate

DISTARCH PHOSPHATE

A modified starch that absorbs moisture and helps powders maintain texture

Disteardimonium Hectorite

Hectorite

Distearyl Phthalic Acid Amide

DISTEARYL PHTHALIC ACID AMIDE

A synthetic emollient that smooths and conditions the skin barrier

Distearyldimonium Chloride

Dimethyldioctadecylammonium Chloride

Cationic surfactant that helps cleanse skin

Dithiodiglycolic Acid

DITHIODIGLYCOLIC ACID

A reducing agent that works to break disulphide bonds in the skin's outer layer

Dm Hydantoin

DM HYDANTOIN

A humectant and preservative booster commonly used in hair and personal care formulations

DMDM Hydantoin

Formaldehyde-Releasing Preservative

Synthetic, formaldehyde-releasing preservative

Dodecane

DODECANE

A hydrocarbon solvent primarily used to carry fragrance in skincare formulations

Dodecanedioic Acid

DODECANEDIOIC ACID

A dicarboxylic acid that conditions and supports skin's structural integrity

Dodecanedioic Acid …

DODECANEDIOIC ACID/CETEARYL ALCOHOL/GLYCOL COPOLYMER

A film-forming polymer that stabilises texture and viscosity in skincare formulations

Dodecyl Gallate

DODECYL GALLATE

A synthetic antioxidant that protects skin from oxidative stress and free radical damage

Donkey Milk

DONKEY MILK

A dairy-derived conditioning agent with preliminary evidence for skin hydration and barrier support

Drometrizole Trisiloxane

Mexoryl XL

Known more commonly as Mexoryl XL Photostable UVA and UVB filter

Dryopteris Crassirhizoma Extract

DRYOPTERIS CRASSIRHIZOMA EXTRACT

A plant extract traditionally used to support skin hydration and conditioning

Dual MiniProteins

Acetyl Tetrapeptide-17 (and) Myristoyl Hexapeptide-4

Cutting-edge peptide complex for targeted skin firming

Dunaliella Salina Extract

Algae

A type of micro-algae known for its adaptability and survival in harsh conditions Rich source of beta-carotene

Dunaliella Salina/Haematococcus Pluvialis Extract

DUNALIELLA SALINA/HAEMATOCOCCUS PLUVIALIS EXTRACT

Microalgae extract rich in carotenoids and natural antioxidants

Dunaliella Salina … Extract

DUNALIELLA SALINA/ISOCHRYSIS GALBANA/NANNOCHLOROPSIS GADITANA/PHAEODACTYLUM TRICORNUTUM/TETRASELMIS CHUII EXTRACT

Marine microalgae extract rich in antioxidants and skin-conditioning compounds

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