Sodium/TEA-Undecylenoyl Collagen Amino Acids
AKA “Undecylenoyl Collagen Amino Acids, Protein Derivative
Synthetic
Ingredient Facts
Sodium/tea-undecylenoyl collagen amino acids
AKA: Protein Derivative
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Skin Conditioner
Hair Care
Marine
Amino Acid
Synthetic
Clean
Amino acids, collagen, 10-undecenoyl derivatives, sodium salts, 2,2',2''-nitrilotrisethanol salts Science: Origin: Botanic/Natural | Functions: Antistatic, Cleansing, Hair Conditioning, Surfactant - Cleansing Safety Ratings: CIR: Safe as used EU Restriction: III/62
CAS #
210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9
See origin →
Functions
Antistatic
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.
Boosts collagen production
Traditional Use
A modern ingredient combining antifungal undecylenic acid with collagen-derived amino acids. Developed to provide both therapeutic (antifungal) and cosmetic (conditioning) benefits in a single complex molecule.
Skin Types
all-skin-types
Best For
Acne
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: CosIng · EWG · CIR