Trehalose Undecylenoate
AKA: Trehalose Undecylenate
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
Trehalose Undecylenoate is the ester formed by the reaction of Trehalose with Undecylenic Acid
CAS #
-
Form
Liquid
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.
Surfactant Cleansing
Moisturizing
Strengthens Barrier
Anti-Inflammatory
Removes dirt and impurities
Lifts away dirt and oil
Softens and detangles hair
Traditional Use
A synthetic derivative developed for cosmetics combining trehalose (a natural sugar found in some plants) with undecylenic acid (originally derived from castor oil). Created to provide hydration and antimicrobial benefits in modern skincare formulations.
Skin Types
●all-skin-types
Best For
Acne
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR