Snapshot
- Overview
- A film-forming ingredient that helps makeup wear longer.
- Category
- Skin Conditioning, Tone/Texture
- Type
- Film Former
C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer
A synthetic copolymer derived from glycerin alkanoyl groups and sebacic acid that forms flexible films on skin. It's used to improve product wear, boost spreadability, and provide a soft, conditioned feel in lotions and makeup.
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Our take
Is C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer a Good Ingredient?
It reliably boosts wear and slip through a flexible film and is generally low-irritating and stable in formulas, which earns a Good rating; it lacks strong evidence for direct skin improvements beyond texture optimization, which keeps it short of Great.
What it does
Skin Benefits
Improves longevity and smudge resistance of cosmetics while improving glide, and leaves a silky, lightweight finish that can lessen tackiness.
Where you'll find it
Uses in Skincare & Cosmetics
Common in long-wear foundations, primers, and body lotions to improve a polished finish, and also used in tinted moisturizers and BB creams to improve laydown and consistency.
Before you use it
Safety
Typically well tolerated with a low likelihood of irritation at normal use levels. As a film former it can occlude briefly, which may intensify the feel of other actives on very sensitive skin. No specific regulatory limits are commonly cited.
Products with C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer
