Polymethyl Methacrylate
Use With Caution
Synthetic Polymer
Also Known As
PMMA
CAS Number
9011-14-7
What It Does
Bulking Agent; Film Former; Texture Enhancer
Why Oh Daisey Rates It This Way
Polymethyl Methacrylate (PMMA) is a synthetic polymer used to improve texture, blur imperfections, and enhance product performance. While it has low skin absorption and is considered safe for topical use, it is persistent in the environment and poorly biodegradable, so it is classified as Use with Caution.
Evidence Level
Strong
Sources
- https://www.cir-safety.org/; https://cosmetics.ec.europa.eu/cosing/