Undecylenoyl glycine is a lipoamino acid surfactant formed from undecylenic acid and glycine. Cleansers and targeted products use it to reduce surface oil, support a balanced feel, and provide mild foaming at skin-friendly pH.
Helps cleansers reduce excess oil while foaming gently on skin.
Category
Acne, Oil Control, Cleansing
Type
Surfactant
Ingredient Ratings
Overall Rating
Fair
Comedogenic Risk
None
Skin Benefits
Helps curb surface shine and leaves skin feeling fresh and comfortable, though evidence for acne-specific outcomes remains limited.
Uses In Skincare & Cosmetics
Included in gel cleansers, micellar waters, and targeted spot products formulated at skin-friendly pH.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Typically mild near skin-friendly pH but may cause stinging or dryness on sensitive or compromised skin. Discontinue if irritation persists. No widely established regulatory restrictions in cosmetics.
Is Undecylenoyl Glycine a Good Ingredient?
It rates Fair because it can improve oil feel and provide mild cleansing, but solid clinical evidence for acne improvement is limited. As a surfactant, it may also irritate or sting, especially at higher levels or lower pH.