murphyStearoyl Sarcosine
AKA: 142-48-3, N-stearoylsarcosine, Glycine, SARKOSYL S, Stearoyl N-methylaminoacetic acid, Stearoyl N-methylglycine
Plant-Derived
Cleanser
Skin Conditioner
Hair Care
Not Clean
OriginTypically derived from coconut or palm kernel oils as the primary natural starting materials. Synthesized through amidation of sarcosine with stearoyl chloride or equivalent fatty acid derivatives.
The CIR Expert Panel concluded that the following ingredients are safe as used in cosmetics when formulated to be non-irritating. The Expert Panel cautions that these ingredients should not be used in cosmetic products in which N-nitroso compounds can be found...Stearoyl Sarcosine...
Formula
C21H41NO3
Mol. Weight
355.60
CAS #
142-48-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Surfactant Cleansing
Antimicrobial
Fights Acne
Antioxidant
Removes dirt and impurities
Lifts away dirt and oil
Reduces flyaways
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR