PEG-12 is a low-molecular-weight polyethylene glycol known for high water solubility and a smooth, light feel. It's used as a solvent and slip agent to thin formulas, boost spreadability, and dissolve trace oils or fragrance.
A solvent that thins formulas and helps them spread more easily.
Category
Cleansing, Skin Conditioning
Type
Solvent
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Improves slip for effortless spread and a lighter skin feel. Helps reduce stickiness so formulas feel cleaner on application.
Uses In Skincare & Cosmetics
Often included in toners, serums, gels, and micellar waters to dissolve small amounts of oils or fragrance. Also used in lightweight lotions to thin texture for quick layering.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally considered low risk for irritation, though very sensitive or broken skin may react. No widely recognized regulatory limitations in typical cosmetic concentrations.
Is PEG-12 a Good Ingredient?
Rated Good for dependable solubilizing and slip-improving performance, giving a light, non-greasy feel with a low irritation profile. It isn't rated higher because it offers minimal direct skin benefit beyond improving formula aesthetics.