Methyl trimethicone is a low-molecular-weight, highly volatile silicone fluid used in cosmetic formulations, chosen to create a dry, silky slip, minimize greasiness, and improve spreadability in lightweight textures.
A featherlight silicone that gives skin a dry, silky, non-greasy finish.
Category
Skin Conditioning, Tone/Texture
Type
Silicone
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Leaves a featherlight, non-greasy finish that feels refined on skin, and speeds dry-down while imparting a soft-touch feel.
Uses In Skincare & Cosmetics
Common in makeup primers, lightweight sunscreens, and fluid foundations. Also used in silicone-based hair serums for a smooth finish.
Comedogenic Rating
This ingredient has a comedogenic rating of 0. It is considered non-comedogenic and has little to no likelihood of clogging pores.
Safety
Generally well tolerated and evaporates after application. Those sensitive to silicones should patch test and avoid inhaling spray mists.
Is Methyl Trimethicone a Good Ingredient?
It reliably improves slip, spread, and a soft-dry finish with low irritation potential and strong formulation stability, which earns it Good, though it lacks corrective skincare activity.