C9-15 Fluoroalcohol Phosphate is a fluorinated film-forming polymer used in color cosmetics and skincare. It creates thin, flexible coatings that improve spreadability and boost water, smudge, and transfer resistance.
A film-former that helps makeup resist water, sweat, and smudging.
Category
Tone/Texture, Skin Conditioning
Type
Film Former
Ratings
Overall Rating
Fair
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is C9-15 Fluoroalcohol Phosphate a Good Ingredient?
It's effective for long-wear, water-resistant films, but it offers minimal skincare benefit and independent data on it is limited, which is why it's rated Fair; it may also cause transient irritation, especially around the eyes or on sensitive skin.
What it does
Skin Benefits
Improves makeup longevity and creates a flexible film that helps color stay put through sweat and humidity, and improves glide during application for a smoother, more even finish.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in long-wear foundations, liquid eyeliners, mascaras, and setting sprays to boost wear time and water resistance.
Before you use it
Safety
Generally considered safe at typical cosmetic levels with low skin penetration. Can cause dryness or stinging, particularly in long-wear eye or lip products; discontinue use if irritation occurs.