Amodimethicone Hydroxystearate

AKA: Amodimethicone hydroxystearic acid salt

Plant-Derived

Skin Conditioner

Hair Care

Silicone

Not Clean

Siloxanes and silicones, 3-[(2-aminoethyl)amino]propyl methyl, dimethyl, hydroxy terminated, 12-hydroxyoctandecanoate (salt)

CAS #

299186-05-3

Form

Liquid

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

Traditional Use

A modern silicone derivative combining amodimethicone with hydroxy stearate. Developed for enhanced conditioning and emollient properties in contemporary haircare products.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR