Hydrogen dimethicone is a chemically modified silicone oil whose hydrogenated groups add stability and a silky spread. It forms smooth, flexible films, boosts slip, adds water resistance, and refines the finish of skincare and makeup.
A silicone that gives skin a silky glide and helps makeup wear evenly.
Category
Skin Conditioning, Tone/Texture
Type
Film Former
Ratings
Overall Rating
Fair
Comedogenic Risk
None
Considered non-comedogenic, with little to no likelihood of clogging pores.
Our take
Is Hydrogen Dimethicone a Good Ingredient?
It's Fair because it delivers real slip, film formation, and water resistance, but demonstrated skin-repair benefits are limited, and some users may experience buildup or find it harder to cleanse off, which is why it doesn't rate higher.
What it does
Skin Benefits
Gives a silky, cushioned glide and can help makeup look more even with improved wear. Primarily provides cosmetic feel and water-repellent properties; skincare benefits beyond this are limited.
Where you'll find it
Uses in Skincare & Cosmetics
Used in primers, long-wear foundations, and water-resistant sunscreens for a smoother application. Also included in hair serums and finishing products to improve slip and shine.
Before you use it
Safety
Typically low irritation and not inherently comedogenic, though added occlusivity can aggravate congestion in some; remove with a thorough cleanse. Patch test if sensitive to silicones.