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
Ratings
Overall Rating
Good
Comedogenic Risk
None
Considered non-comedogenic, with little to no likelihood of clogging pores.
Our take
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.
What it does
Skin Benefits
Leaves a featherlight, non-greasy finish that feels refined on skin, and speeds dry-down while imparting a soft-touch feel.
Where you'll find it
Uses in Skincare & Cosmetics
Common in makeup primers, lightweight sunscreens, and fluid foundations. Also used in silicone-based hair serums for a smooth finish.
Before you use it
Safety
Generally well tolerated and evaporates after application. Those sensitive to silicones should patch test and avoid inhaling spray mists.