Undecylenoyl Glycine
AKA “(undec-10-enoylamino)acetic acid, 4D20464K2J, DTXSID30202671, EC 427-430-5, RefChem:901090, DTXCID60125162, UNDECYLENOYL GLYCINE [INCI], 427-430-5, 54301-26-7
Surfactant
Ingredient Facts
Undecylenoyl glycine
AKA: (undec-10-enoylamino)acetic acid, 4D20464K2J, DTXSID30202671, EC 427-430-5, RefChem:901090, DTXCID60125162, UNDECYLENOYL GLYCINE [INCI], 427-430-5, 54301-26-7
Surfactant · Cleansing · EWG: 1
Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Clean
Glycine, N-(1-oxo-10-undecenoyl)-
Formula
C13H23NO3
Mol. Weight
241.33
CAS #
54301-26-7
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Anti Seborrheic
Fights Bacteria
Anti Sebum
Controls Odor
Antioxidant Protection
Reduces Inflammation
Brightens Skin
Traditional Use
A synthetic ingredient created by conjugating undecylenic acid with the amino acid glycine. Designed for cosmetics to combine antimicrobial effects with the skin-conditioning benefits of amino acids.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR