Isobutyl Tallowate
AKA “Tallow acid isobutyl ester
Emollient
Ingredient Facts
Isobutyl tallowate
AKA: Tallow acid isobutyl ester
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Not Clean
Fatty acids, tallow, iso-butyl esters
CAS #
68526-50-1
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
Synthetic ester derived from tallow (animal fat). Developed as a cosmetic conditioning agent to provide emollient properties while improving the texture and spreadability of skincare and cosmetic 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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR