C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ ●
TL;DR. This ingredient is primarily an emollient and film-forming polymer, used to add slip, cushion, water resistance, and a soft afterfeel in skin care, color cosmetics, sunscreens, and hair products.
What does C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ do in a cosmetic formula?
This ingredient is primarily an emollient and film-forming polymer, used to add slip, cushion, water resistance, and a soft afterfeel in skin care, color cosmetics, sunscreens, and hair products.
Is C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ clean?
From a clean-beauty perspective, it is generally low-friction, with low expected irritation and no common allergen or preservative concerns. Its main scrutiny is that it is a chemically processed polymer, but it is typically positioned as a biodegradable alternative to more persistent film formers.
Is C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ sustainable?
This material is commonly made from vegetable-derived fatty acid, glycerin, and castor-derived diacid inputs, though it chains may involve palm or coconut supply chains. It is designed to be biodegradable and has a better persistence profile than many silicone or petrochemical film-forming polymers.
Is C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ COSMOS-approved?
It can fit COSMOS-natural style criteria when made from approved renewable feedstocks through accepted esterification chemistry, and it is used by suppliers in natural-positioned formulations. Its Green Chemistry profile is favorable when the feedstocks are responsibly sourced, with renewable carbon, solvent-light processing, and biodegradability as the main positives.
How does C12-18 Alkanoyl Glycerin/Sebacic Acid Copolymer\ work chemically?
The molecule is a hydrophobic polyester built from glycerol esterified with medium-to-long-chain fatty acid groups and a dicarboxylic acid, giving it both emollient and flexible film-forming behavior. It is typically used in the oil phase, is not pH-active in the finished formula, and performs best when fully dispersed or melted into compatible oils, waxes, esters, and UV-filter systems.
Last updated 2026-05-14