Other ingredient
Polyacrylic Acid
A linear homopolymer of acrylic acid used as a thickener and film-forming agent in cosmetics; unlike Carbomer it is uncrosslinked, resulting in different rheological behavior.
Also known as: PAA, poly(acrylic acid)
thickenerfilm-forming agentemulsion stabilizer
Benefits
- ✓Provides viscosity and gel-like texture in aqueous formulas
- ✓Improves emulsion stability
- ✓Forms a light film that can enhance ingredient delivery
Watch for
- ⚠May cause mild irritation at high concentrations or very low pH; generally well-tolerated at cosmetic use levels
