C4-24 Alkyl Dimethicone/Divinyldimethicone Crosspolymer

C4-24 Alkyl Dimethicone/Divinyldimethicone Crosspolymer molecular structure
molecular structure · PubChem
AKA: Silicone Crosspolymer
Synthetic
Occlusive
Skin Conditioner
Silicone
Clean
OriginSynthesized from dimethicone siloxane polymers, a silicone-based chemical family derived from silicon and methyl groups. Produced through crosslinking of alkyl dimethicone with divinyldimethicone via hydrosilylation or radical polymerization reactions.
C4-24 Alkyl Dimethicone/Divinyldimethicone Crosspolymer is a copolymer of C4-24 alkyl dimethicone crosslinked with Divinyldimethicone
CAS #
-
Form
Liquid
State
Solid
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on2%
Rinse-offNot reported
0%50%100%
CIR reported use · 2012 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR