What it is
Triacetin is a clear liquid formed by esterifying glycerin with acetic acid. In cosmetics it acts as a solvent and as a plasticizer that adds flexibility to film-forming systems, and it provides mild humectant and conditioning benefits. It is widely used in color cosmetics, lip products, and gel-type formulas.
Safety & warnings
Triacetin has a long record of use in cosmetics and food and is generally well tolerated on skin and lips; it is not a recognized fragrance allergen.
Origin & sourcing
Synthetic; produced by esterifying glycerin with acetic acid.
Questions everyone asks
What is triacetin used for in lip and color products?
It works as a solvent and plasticizer, helping disperse ingredients and adding flexibility to films for a smoother feel.
Is triacetin related to glycerin?
Yes; it is the triacetate ester of glycerin, made by reacting glycerin with acetic acid.