Diphenylsiloxy Phenyl Trimethicone is a phenyl-modified silicone polymer that forms a light, flexible film on skin or hair. It boosts slip, gives a soft-focus finish, improves wear, and boosts water resistance in cosmetic formulas.
A silicone that adds glide, glow, and better water resistance.
Category
Skin Conditioning, Tone/Texture
Type
Film Former
Ratings
Overall Rating
Good
Comedogenic Risk
None
Considered non-comedogenic, with little to no likelihood of clogging pores.
Our take
Is Diphenylsiloxy Phenyl Trimethicone a Good Ingredient?
Phenyl-modified silicone that forms a lightweight, flexible film to increase slip, radiance, and wear; rated Good for reliable performance with generally low irritation potential. Benefits are formulation-dependent but typically improve spread and longevity without notable sensitization.
What it does
Skin Benefits
Gives a silky glide and a refined, blurred look to skin while increasing radiance. Helps makeup and sunscreen stay put longer with better resistance to smudging and humidity.
Where you'll find it
Uses in Skincare & Cosmetics
Common in primers, liquid foundations, and sunscreens for smoother spread and a more polished finish. Also used in hair serums to boost slip and a glossy appearance.
Before you use it
Safety
Typically non-sensitizing and inert on skin. Rare mild irritation can occur, especially on compromised skin; those avoiding silicones may dislike the feel or buildup with heavy use.