Di-C20-40 Alkyl Dimer Dilinoleate
AKA “Di-C20-40 Alkyl Dimer Dilinoleate
Synthetic
Ingredient Facts
Di-c20-40 alkyl dimer dilinoleate
Synthetic · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Synthetic
Clean
Di-C20-40 Alkyl Dimer Dilinoleate is the diester of C20-40 Alcohols and Dilinoleic Acid (q.v.) Science: Functions: Skin Conditioning, Viscosity Controlling Safety Ratings: CIR: Safe as used
CAS #
129423-60-5
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.
Viscosity Controlling
Locks in moisture
Traditional Use
Synthetic emollient developed in the late 20th century as a replacement for heavier natural oils. Created to provide lightweight, non-greasy moisturization while improving spreadability in cosmetic formulations.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR