C30-45 Alkyl Cetearyl Dimethicone Crosspolymer
AKA “Silicone Crosspolymer, Dimethicone Crosspolymer”
Synthetic
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Ingredient Facts
C30-45 alkyl cetearyl dimethicone crosspolymer
AKA: Silicone Crosspolymer
Synthetic · Film Forming | Hair Conditioning | Skin Conditioning - Emollient · EWG: 2
Synthetic
Emollient
Occlusive
Skin Conditioner
Hair Care
Silicone
Synthetic
Clean
A lightweight silicone that smooths skin and hair while creating a protective layer. Leaves a soft, conditioned feel without heaviness.
CAS #
443892-05-5
Form
Liquid
State
Solid
Synthetic
Botanical. Derived from silicone polymers and long-chain alkyl alcohols, synthesized through cross-linking chemistry. Produced by cross-polymerizing dimethicone with long-chain alkyl cetearyl alcohols via hydrosilylation reactions.
Function
Film Forming | Hair Conditioning | Skin Conditioning - Emollient
Benefits
Locks In Moisture
Traditional Use
A cross-linked silicone polymer developed for modern cosmetics. Designed to improve gel-like textures and provide stability in emulsified systems.
Skin Types
all-skin-types, gentle
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Restricted By
EWG Score2
CIR Safety Findings
ewg-2, medical-approval, pregnancy-nursing-safe, all-shades-safe, Not a Sensitizer
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR