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Butyloctyl Cetearate
AKA “Branched alkyl cetearate, Emollient ester”
Emollient
Ingredient Facts
Butyloctyl cetearate
AKA: Branched alkyl cetearate, Emollient ester
Emollient · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Fatty Acids, C16-18, 2-Butyloctyl Esters
CAS #
101227-08-1
Form
Wax
See origin →
Functions
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
Synthetic ester developed for cosmetic use. Designed to provide emollient properties and improve the texture and spreadability of skincare products.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR