Trehalose Isostearate Esters

Trehalose Isostearate Esters molecular structure
molecular structure · PubChem
Plant-Derived
Emollient
Skin Conditioner
Not Clean
Trehalose Isostearate Esters is the product obtained by the esterification of isostearic acid and Trehalose
Form
Liquid
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
A modern synthetic ester created in the late 20th century by esterifying trehalose, a natural disaccharide, with isostearic acid. Developed for cosmetics as a skin-conditioning and texture-enhancing agent with humectant properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR