C26-28 Alkyl Dimethicone

AKA: Silicone
Synthetic
Skin Conditioner
Hair Care
Silicone
Clean
OriginDerived from silicone polymers and long-chain alkyl hydrocarbons within the dimethicone chemical family. Synthesized by attaching C26-28 alkyl chains to dimethicone through hydrosilylation or similar coupling reactions.
Siloxanes and Silicones, C26-28 alkyl methyl, dimethyl
Form
Liquid
Skin Types
●all-skin-types, gentle
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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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-on0.8–2.8%
Rinse-offNot reported
0%50%100%
CIR reported use · 2020 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR