Hexyl Dimethicone

Hexyl Dimethicone molecular structure
molecular structure · PubChem
AKA: Hexyl siloxane
Synthetic
Skin Conditioner
Hair Care
Silicone
Not Clean
OriginDerived from siloxane compounds, a synthetic polymer class based on silicon and oxygen backbone structures. Synthesized through hydrolysis and condensation of organosilicon precursors, then alkylated with hexyl groups.
Siloxanes and Silicones, hexyl methyl, dimethyl
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Conditions Hair
Softens and detangles hair
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.17%
Rinse-offNot reported
0%50%100%
Reg. limit 30%
CIR reported use · 2019 survey
FDA OTC limit: 30% (Skin Protectant). Source: FDA OTC Monograph, 21 CFR 347.10.
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR