Trisiloxane
INCI: Silicone
Reviewed by Emma · Last updated 18 Aug 2026
Also known as: Silicone, Siloxane
A colourless, odourless siloxane fluid Imparts a soft feel to skin
Best For Skin Types
All skin types
Usage Frequency
As directed on product packaging
EWG Safety Score
What Is Trisiloxane?
Trisiloxane is a colorless, odorless, volatile polydimethylsiloxane fluid that serves multiple functions in skin care products. When added to formulas, it increases spreadability and allows for a fast dry-down time.
As a member of the siloxane group of silicones, trisiloxane also provides skin with a soft feel.
Its compound structure makes it so that trisiloxane leaves no greasy or heavy residue on the skin, lending products a lightweight slip.
Clinical Evidence & References
Published Research
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Siloxanes in cosmetics: Safety assessment Int J Toxicol, 2011
Frequently Asked Questions
From the Clinic
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Trideceth-10
A gentle surfactant that removes oil and impurities without stripping the skin
Triheptanoin
A lightweight triglyceride that conditions skin and may support collagen production
Trimethylsiloxysilicate
A silicone resin that conditions skin and creates a durable, non-occlusive protective layer
Undecylenamidopropyl Betaine
A mild surfactant that cleanses whilst conditioning skin and hair
Undecylenoyl Glycine
A mild surfactant derived from the amino acid glycine, used primarily in cleansing formulations
Yucca Schidigera Leaf … Stem Extract
A plant-derived cleanser and skin protectant from desert yucca extract
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