Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
AKA “Plant Sterol Dimer Dilinoleate, Phytosterol Dimer Linoleate
Skin Conditioning
Ingredient Facts
Phytosteryl/isostearyl/cetyl/stearyl/behenyl dimer dilinoleate
AKA: Plant Sterol Dimer Dilinoleate, Phytosterol Dimer Linoleate
Skin Conditioning · Hair Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Hair Care
Clean
9,12(Z,Z)-Octadecadienoic acid dimer, diester with plant sterols, isooctadecanol, hexadecanol, octadecanol and docosanol
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
Traditional Use
A complex synthetic ester combining multiple fatty alcohols and linoleic acid derivatives. Developed for modern skincare products as an advanced emollient and conditioning ingredient.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Insufficient data
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR