Batyl Isostearate
AKA “Batyl Alcohol Isostearate, Batyl Isostearate Ester
Emollient
Ingredient Facts
Batyl isostearate
AKA: Batyl Alcohol Isostearate, Batyl Isostearate Ester
Emollient · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Isostearic acid, 3-octadecyloxy-2-hydroxypropyl ester
CAS #
170754-20-8
Form
Liquid
See origin →
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 by combining batyl alcohol with isostearic acid in the 20th century. Designed as a lightweight emollient and skin conditioning agent for contemporary cosmetic formulations.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR