Sodium Hydrogenated Cocoyl Methyl Isethionate

AKA: Coconut Methyl Isethionate Surfactant, Hydrogenated Cocoyl Isethionate

Allergen Warning

⚠️ Tree Nut (Coconut)

Synthetic

Cleanser

Plant Oil

Not Clean

Sodium Hydrogenated Cocoyl Methyl Isethionate is a cosmetic ingredient used as cleansing, surfactant - foam boosting. Assessed as safe by the CIR.

CAS #

-

Form

Liquid

Functions

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Foam Boosting

Surfactant Foam Boosting

Anti-Inflammatory

Antimicrobial

Fights Acne

Removes dirt and impurities

Enhances lather

Traditional Use

Created in the late 20th century as a mild synthetic surfactant. Designed to provide gentle cleansing similar to natural soaps while maintaining stability and mildness in personal care products.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

medical-approval

all-shades-safe

Potential Sensitizer

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

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed0 reviews

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

Verified Jun 2026

Data: CosIng · EWG · CIR