Ingredients Starting With O

3-O Ethyl Ascorbic Acid

A more stable derivative of pure vitamin C Capable of helping fade dark spots

3-O-Cetyl Ascorbic Acid

A stable vitamin C derivative designed to support skin brightening and antioxidant protection

O-Cymen-5-Ol

A phenolic preservative that protects skincare formulations from microbial contamination

2-O-Ethyl Ascorbic Acid

A stable vitamin C derivative that supports skin brightness and texture refinement

Oak Root Extract

A plant-derived extract traditionally used to support skin conditioning and resilience

Oat Amino Acids

Plant-derived amino acids from oats that condition and support skin barrier function

Oat Beta-Glucan

Oat polysaccharide for soothing and skin-comforting

Oat Bran Extract

Fibre-rich oat extract for skin nourishment

Oat Kernel Extract

Whole oat extract for comprehensive skin benefits

Oatmeal

Colloidal oatmeal for proven skin protection

Ocimum Basilicum Extract

A plant extract with antioxidant properties that may help protect skin from sun damage

Ocimum Basilicum Flower/Leaf Extract

A plant extract traditionally used to support skin tone and vitality

Ocimum Basilicum Flower … Stem Extract

A botanical extract with mild antioxidant and soothing properties

Ocimum Basilicum Hairy Root Culture Extract

A plant-derived extract that supports skin conditioning and natural resilience

Ocimum Basilicum Leaf

A plant extract with antioxidant properties traditionally used to support skin health

Ocimum Basilicum Leaf Extract

A plant extract rich in polyphenols that may help protect and condition the skin

Ocimum Basilicum Seed Extract

Plant-derived antioxidant from basil seeds to help protect skin from environmental stress

Ocimum Sanctum Leaf Extract

Calms and soothes the skin | Reduces redness and irritation

Ocimum Sanctum Leaf Powder

A traditional herb extract used to condition and soothe the skin

Ocimum Tenuiflorum Extract

A plant extract traditionally valued for skin conditioning and antioxidant properties

Octadecane

A lightweight hydrocarbon that conditions skin and helps formulations spread evenly

Octadecene

A synthetic solvent that helps formulations blend and flow smoothly on skin

Octadecenedioic Acid

A dioic acid with emulsifying properties and potential skin-tone evening effects

Octadecenyl-Ammonium Fluoride

A fluoride compound primarily used in oral care formulations

Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate

A synthetic antioxidant that helps protect skincare formulations from oxidative breakdown

Octanediol

A multifunctional diol that supports skin barrier function and penetration

Octanicotinoyl Epigallocatechin Gallate

A stabilised green tea extract with antioxidant and soothing properties

Octapeptide-2

A peptide fragment that supports skin conditioning and structural integrity

Octapeptide-40

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

Octapeptide-45

A peptide designed to support skin hydration and collagen renewal

Octapeptide-7

A peptide designed to support skin's natural protective barriers

Octenidine Hcl

A synthetic purifying agent used primarily in clinical wound care and antisepsis

Octinoxate

UVB-absorbing sunscreen active

Octisalate

Also known as octyl salicylate, this oil-soluble organic

Octocrylene

Widely used in sunscreen formulations, octocrylene delivers

Octoxynol-9

A synthetic surfactant that stabilises formulations and aids ingredient distribution

Octyl Methoxycinnamate

Common UVB filter for sun protection

Octyl Palmitate

Derived from palm oil, widely used in cosmetics as a texture

Octyl Salicylate

UVB filter with mild sunscreen boosting

Octylacrylamide …

A synthetic polymer that creates a protective film layer on skin

Octyldodecanol

Octyldodeceth-16

A synthetic emulsifier that helps blend oil and water-based ingredients in formulations

Octyldodecyl Citrate Crosspolymer

A film-forming humectant that draws moisture to the skin and helps it stay there

Octyldodecyl Neopentanoate

A synthetic emollient that conditions and softens skin | Made from the fatty alcohol octyldodecanol

Octyldodecyl Oleate

A lightweight ester that softens skin without a heavy feel

Octyldodecyl Stearoyl Stearate

Ester that functions as a skin conditioning and viscosity-increasing ingredient | Ruled safe at usage rates between 2-15%

Octyldodecyl Xyloside

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

Oenanthe Javanica Extract

A plant extract with purifying and antioxidant properties, traditionally used in skincare

Oenothera Biennis Flower Extract

A plant extract traditionally used to help balance and tone the skin

Oenothera Biennis Flower … Stem Extract

Plant extract traditionally used to support skin hydration and conditioning

Oenothera Biennis Oil

Evening primrose oil rich in GLA for barrier repair

Oenothera Biennis Root Extract

A plant extract with preliminary evidence for supporting skin resilience and elasticity

Oenothera Biennis Seed

A plant-derived exfoliant with potential soothing and skin-conditioning properties

Oenothera Biennis Seed Extract

Plant extract with antioxidant properties traditionally used to support skin resilience

Olaflur

A fluorine compound used primarily in oral care and hair fixative applications

Oldenlandia Diffusa Extract

A plant extract traditionally used in herbal medicine with emerging skincare applications

Olea Europaea (Olive) Fruit Oil

An emollient, non-fragrant plant oil | Helps trap moisture within skin

Olea Europaea Bud Extract

A plant extract with antioxidant and emollient properties derived from olive buds

Olea Europaea Callus Culture Lysate

A plant cell culture extract that conditions and supports skin hydration

Olea Europaea Fruit

A gentle plant-derived exfoliant and skin conditioning agent from olive fruit

Olea Europaea Fruit Extract

A plant extract rich in antioxidants, traditionally used in Mediterranean skincare

Olea Europaea Fruit Oil

Emollient plant oil | Beneficial for dry skin

Olea Europaea Fruit Unsaponifiables

Plant extract from olive fruit with antioxidant and conditioning properties

Olea Europaea Husk Oil

A plant oil derived from olive husks, used primarily as a skin conditioning agent

Olea Europaea Leaf

A plant-derived conditioning ingredient with antioxidant properties from olive leaf

Olea Europaea Leaf Cell Extract

A plant extract with antioxidant properties to support skin resilience and barrier health

Olea Europaea Leaf Extract

Mediterranean botanical with powerful antioxidant properties

Olea Europaea Leaf Extract

Olea Europaea Leaf Oil

Olive leaf oil: an antioxidant-rich extract with potential soothing and photoprotective properties

Olea Europaea Leaf Powder

A finely milled plant powder that gently buffs away surface dead skin

Olea Europaea Leaf Water

A leaf-derived antioxidant with potential protective benefits against UV-induced skin damage

Olea Europaea Oil Unsaponifiables

Concentrated olive active fraction for skin repair

Olealkonium Chloride

A conditioning agent primarily used in hair and scalp formulations

Oleamide Mea

A multifunctional agent that stabilises formulations and improves texture

2-Oleamido-1,3-Octadecanediol

A skin-conditioning agent that supports barrier function in acne-focused skincare formulations

Oleamidopropyl Dimethylamine

A cationic emulsifier that stabilises cosmetic formulations

Oleamine

An antistatic agent primarily used to improve product texture and stability

Oleanolic Acid

Triterpene with soothing properties

Oleic Acid

Omega-9 fatty acid for deep moisturisation

Oleic/Linoleic Triglyceride

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

Oleic …

A multi-functional fatty acid blend that stabilises formulations and supports skin barrier health

Oleoyl Cocoa Seed Extract

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

Oleoyl Dipeptide-15

A peptide derivative that supports skin's natural conditioning and moisture balance

Oleoyl Grape Seed Extract

A plant-derived antioxidant from grape seed oil that helps protect skin from oxidative stress

Oleoyl Pine Bark Extract

A plant-derived antioxidant from pine bark with oil-soluble properties

Oleoyl Potentilla Erecta Root Catechins

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

Oleoyl Tetrapeptide-31

A peptide-derived antioxidant that supports skin's lipid barrier and cellular resilience

Oleth-10

Non-irritating fatty alcohol that functions as a texture enhancer and cleansing agent | Widely used as an emulsifier in water + oil cosmetics

Oleth-20

Non-ionic surfactant and cleansing agent | Helps oil and water ingredients merge within formulas

Oleth-3

An emulsifying agent that helps bind water and oil in skincare formulations

Oleth-3 Phosphate

A surfactant that helps cleansers and emulsions work effectively on skin

Oleth-5

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

Oleths

Oleths are mild cleansing agents.

Oleuropein

A polyphenol antioxidant derived from olive leaf extract with potential skin-protective properties

Oleyl Adapalenate

Adapalene ester for gentler retinoid activity

Oleyl Alcohol

A fatty alcohol that softens skin and enhances ingredient penetration

Oleyl Erucate

Ester of oleyl alcohol and erucic acid | Serves as a humectant

Oleyl Oleate

A lightweight ester that softens and conditions skin without a greasy residue

Oligopeptide-1

Epidermal Growth Factor peptide for cell renewal

Oligopeptide-10

Synthetic bio-active peptide composed of 15 amino acids | Research shows it could have anti-acne benefits

Oligopeptide-107 Sh-Oligopeptide-1

A synthetic peptide designed to support skin barrier function and reduce inflammation

Oligopeptide-123 Rh-Oligopeptide-1

A peptide fragment designed to support skin conditioning and structural integrity

Oligopeptide-127 Rh-Oligopeptide-1

A peptide-based conditioning agent that supports skin hydration and texture

Oligopeptide-13

A peptide that supports the skin's natural protective mechanisms

Oligopeptide-177

A peptide fragment with potential applications in skin support and structural integrity

Oligopeptide-180 Porphyra 334

A marine-derived antioxidant that defends skin against UV damage and oxidative stress

Oligopeptide-19

A peptide that conditions skin and supports structural integrity

Oligopeptide-198

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

Oligopeptide-20

A peptide fragment that supports skin conditioning and structural resilience

Oligopeptide-22

A peptide that supports skin conditioning and structural resilience

Oligopeptide-24

A peptide that supports skin conditioning and structural integrity

Oligopeptide-25

A peptide fragment that supports skin conditioning and structural integrity

Oligopeptide-28

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

Oligopeptide-29

A peptide with antioxidant and skin-protecting properties

Oligopeptide-3

Peptide made up of several amino acids | Manufacturers claim it boosts skin’s resilience

Oligopeptide-32

A peptide that may help regulate sebum production and condition the skin barrier

Oligopeptide-34

A peptide that supports skin conditioning and structural integrity

Oligopeptide-35

A peptide fragment that supports skin conditioning and structural integrity

Oligopeptide-4

A peptide fragment that supports skin conditioning and structural integrity

Oligopeptide-41

A peptide that supports skin conditioning and structural integrity

Oligopeptide-5

A peptide that supports skin's natural collagen production and cellular renewal

Oligopeptide-51

A peptide ingredient that supports skin conditioning and structural integrity

Oligopeptide-6

A peptide fragment that conditions and supports skin's structural integrity

Oligopeptide-68

A peptide that works to reduce tyrosinase activity and address uneven skin tone

Oligopeptide-76

Made up of 13 amino acids | Helps improve skin barrier

Oligopeptide-78

A peptide fragment that supports skin conditioning and structural integrity

Oligopeptide-79

A peptide ingredient used primarily to condition and support hair fibre resilience

Oligopeptide-8

A peptide fragment with purifying properties to help maintain skin clarity

Oligopeptide-9

A peptide fragment with purifying properties to support skin's natural defence

Oligopeptide-91 Rh-Oligopeptide-1

A peptide that supports skin's natural protective and conditioning functions

Oligopeptide-99 Amide

A peptide with purifying and antioxidant properties for skin protection

Olive Acid

A fatty acid derived from olive oil with cleansing and emulsifying properties

Olive Fruit Oil

Mediterranean staple rich in squalene and antioxidants

Olive Glycerides

A plant-derived emollient and emulsifier derived from olive oil

Olive Oil Decyl Esters

A plant-derived ester that helps restore skin's lipid barrier

Olive Oil Glycereth-8 Esters

A plant-derived emollient that softens skin and helps stabilise oil-based formulations

Olive Oil PEG-7 Esters

Works as an emollient, emulsifier, and mild cleansing agent | Also used as solubilizing agent for essential oils and fragrance ingredients

Olive Oil/Olive Fruit Oil

An emollient, non-fragrant plant oil also called Olea Europaea (Olive) fruit oil | Beneficial for dry skin because of its fatty acid content

Olivine Extract

A mineral extract that conditions and supports skin's natural protective functions

Olus Oil

A lightweight plant oil that softens and conditions the skin barrier

Omental Lipids

A lipid-rich emollient derived from omental tissue, designed to soften and moisturise skin

Ononis Spinosa Root Extract

A plant extract traditionally used to support skin comfort and oil regulation

Onsen-Sui

Mineral-rich thermal water that supports skin hydration and barrier function

Ophiopogon Japonicus Root Extract

Traditional Asian herb for skin hydration

Opuntia Coccinellifera Flower Extract

A flower extract with antioxidant and skin conditioning properties from the prickly pear plant

Opuntia Coccinellifera Fruit Extract

A cactus fruit extract that may help protect skin from UV-induced damage

Opuntia Ficus-Indica Callus Culture Extract

A plant cell extract offering antioxidant and hydrating support for skin

Opuntia Ficus-Indica Extract

A cactus extract with potential to support skin hydration and barrier function

Opuntia Ficus-Indica Flower Extract

A plant extract with antioxidant and skin-conditioning properties from prickly pear flowers

Opuntia Ficus-Indica Fruit Extract

A plant extract with potential antioxidant and skin-conditioning properties

Opuntia Ficus-Indica Fruit Water

A cactus fruit extract with antioxidant and skin-conditioning properties

Opuntia Ficus-Indica Seed Oil

A lightweight plant oil rich in linoleic acid, traditionally used to support skin soothing

Opuntia Ficus-Indica Stem

A succulent plant extract with humectant and conditioning properties

Opuntia Ficus-Indica Stem Extract

Prickly pear cactus for desert-like protection

Opuntia Ficus-Indica Stem Water

A hydrating plant water derived from prickly pear cactus stems

Opuntia Humifusa Flower/Stem Extract

A plant extract with humectant and conditioning properties from the prickly pear cactus

Opuntia Humifusa Stem Extract

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

Opuntia Tuna Flower/Stem Extract

A plant extract with hydrating and antioxidant properties from the prickly pear cactus

Opuntia Tuna Fruit

Plant extract from prickly pear fruit, valued for its humectant and conditioning properties

Opuntia Tuna Fruit Extract

A cactus fruit extract that conditions and hydrates the skin

Opuntia Tuna Leaf Extract

A plant extract with conditioning properties for skin, hair and nails

Opuntia Vulgaris Extract

A plant extract with potential antioxidant and purifying properties

Orange Roughy Oil

A marine-derived oil that helps restore skin hydration and reduce water loss

Orbignya Oleifera Seed Oil

Babassu oil for lightweight, non-greasy moisture

Orbignya Phalerata Seed Powder

A plant-derived powder that conditions and softens the skin

Orbignya Speciosa Kernel Oil

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

Orchid Extract

A polyphenol-rich plant extract with antioxidant and skin-conditioning properties

Orchid Leaf … Stem Extract

A plant-derived skin conditioner with hydrating and soothing properties

Orchis Maculata Flower Extract

A plant extract that conditions and softens the skin

Orchis Mascula Extract

Plant extract traditionally used to condition and soften hair and skin

Organic Sunflower Seed Oil

Vitamin E-rich oil for nourishment and barrier repair

Origanum Majorana Leaf Extract

A plant extract with purifying and antioxidant properties traditionally used to support skin clarity

Origanum Majorana Leaf Oil

A fragrant essential oil derived from marjoram leaves, valued for its aromatic and purifying properties

Origanum Vulgare Extract

A botanical extract with purifying and soothing properties

Origanum Vulgare Flower Extract

A plant extract with potential antioxidant and skin-conditioning properties

Origanum Vulgare Flower … Stem Extract

A botanical extract with gentle skin-conditioning properties from the oregano plant

Origanum Vulgare Leaf

A Mediterranean herb extract with antioxidant and soothing properties

Origanum Vulgare Leaf Extract

Plant extract with antioxidant and purifying properties studied for inflammatory skin concerns

Origanum Vulgare Oil

A botanical essential oil with potential antioxidant and skin-conditioning properties

Ornithine

An amino acid with potential roles in skin conditioning and cellular function

Ornithine Hcl

An amino acid derivative with research into hair growth and skin conditioning

Orobanche Rapum Extract

A plant extract that supports skin renewal by activating stem cells and balancing microbiota

Orthosiphon Stamineus Extract

A plant extract studied for its potential to help regulate sebum production and reduce oily skin appearance

Orthosiphon Stamineus Leaf Extract

A plant extract that may help regulate sebum production for a more balanced complexion

Oryza Sativa

A botanical extract with antioxidant and moisturising properties derived from rice

Oryza Sativa (Rice) Bran Extract

Derived from the seed of Oryza sativa, a type of rice

Oryza Sativa (Rice) Bran Oil

Rice bran oil rich in antioxidants and gamma-oryzanol

Oryza Sativa Bran

A finely milled exfoliant derived from rice processing by-products

Oryza Sativa Bran Cera

A plant-derived wax that conditions and protects the skin barrier

Oryza Sativa Bran Extract

A plant extract rich in bioactive compounds traditionally used to condition and protect skin

Oryza Sativa Bran Oil

A lightweight oil that conditions skin and helps maintain barrier function

Oryza Sativa Bran Oil Extract

A plant oil extract that conditions and softens the skin's surface

Oryza Sativa Bran Protein

A plant-derived antioxidant from rice bran with emerging evidence for photoprotection

Oryza Sativa Bran Water

A plant-derived aqueous extract traditionally used for fragrance and sensory appeal

Oryza Sativa Bran Wax

A wax derived from rice bran that conditions and softens the skin

Oryza Sativa Bran/Germ Extract

A plant-derived humectant that draws moisture into the skin

Oryza Sativa Bran/Germ Oil

A lightweight plant oil with antioxidant and conditioning properties

Oryza Sativa Callus Culture Extract

A plant-derived conditioning agent from rice callus culture

Oryza Sativa Extract

Plant extract with antioxidant potential to help protect skin from environmental stress

Oryza Sativa Germ Cell Culture Extract

A plant cell culture extract that conditions and supports skin hydration

Oryza Sativa Germ Extract

A plant-derived emollient from rice germ that softens and conditions the skin

Oryza Sativa Germ Oil

A lightweight plant oil derived from rice germ that conditions and softens the skin

Oryza Sativa Germ Powder

A fine powder derived from rice germ that gently exfoliates through mechanical action

Oryza Sativa Hull Extract

A plant-derived humectant from rice husks that helps skin retain moisture

Oryza Sativa Hull Powder

A gentle physical exfoliant derived from rice husk, suitable for regular use

Oryza Sativa Leaf/Stem Extract

Rice leaf and stem extract offering gentle skin conditioning and antioxidant support

Oryza Sativa Lees Extract

A fermented rice by-product rich in skin-conditioning lipids and ceramides

Oryza Sativa Lipids

A plant-derived lipid that supports skin barrier function and hydration

Oryza Sativa Powder

A finely milled powder derived from rice grain, used primarily as a bulking agent in skincare formulations

Oryza Sativa Rice Bran Oil

Oil extracted from husks of rice grains

Oryza Sativa Seed Protein

A plant-derived protein with antioxidant potential for skincare formulations

Oryza Sativa Seed Water

A plant-derived conditioning ingredient with antioxidant and skin-soothing properties

Oryza Sativa Starch

A starch derived from rice that helps absorb moisture and thicken formulations

Oryzanol

Rice-derived antioxidant for UV protection support

Osmanthus Fragrans Flower Extract

A fragrant flower extract primarily used to mask odour in skincare formulations

Ovalicin

A fungal-derived compound investigated for its potential to reduce itching and inflammatory responses

Oxidized Glutathione

An antioxidant form of glutathione with skin conditioning properties

Oxido Reductases

Enzymes that support skin's natural antioxidant defences and cellular function

Oxidoreductase

Enzyme class supporting skin antioxidant defence

Oxybenzone

Globally approved UV filter | Offers both UVA and UVB protection

Oxycoccus Palustris Seed Oil

A plant oil rich in antioxidants, sourced from the cranberry seed

Oxygen

A natural component of skin that supports cellular function and collagen production

Oxymetazoline Hydrochloride

A decongestant that temporarily reduces facial redness and flushing

Oxyquinoline Sulfate

A synthetic purifying that stabilises formulations and helps prevent microbial growth

Oxyresveratrol

Potent resveratrol derivative for brightening

Ozonized Argan Oil

Argan oil infused with ozone to enhance antioxidant and conditioning properties

Ozonized Jojoba Oil

Ozonised jojoba oil: a lipid-rich emollient with purifying potential

Ozonized Oleic Acid

An ozonised fatty acid that works to protect and soften the skin barrier

Ozonized Olive Oil

Ozonised olive oil: an antioxidant-rich conditioning agent with emerging skin-comforting potential