Behenyl Behenate
AKA “Docosyl docosanoate, Docosanoic acid, docosyl ester, docosanyl docosanoate, docosyl behenate, Pelemol BB, Starfol BB, UNII-K8NU647RJ0, K8NU647RJ0, EINECS 241-646-5
Emollient
Ingredient Facts
Behenyl behenate
AKA: Docosyl docosanoate, Docosanoic acid, Docosyl ester, Docosanyl docosanoate, Docosyl behenate, Pelemol BB, Starfol BB, UNII-K8NU647RJ0, K8NU647RJ0, EINECS 241-646-5
Emollient · Emollient · EWG: 1
Synthetic
Emollient
Skin Conditioner
Clean
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C44H88O2
Mol. Weight
649.20
CAS #
17671-27-1
Form
Liquid
State
Other Solid; Dry Powder
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 from behenic acid components, developed for cosmetics to provide emollient and texture-enhancing properties without traditional use background.
Skin Types
all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR