Lauryl Hydroxysultaine

AKA: ORISTAR LHS, MACKAM LHS, 1-Dodecanaminium, N-(2-hydroxy-3-sulfopropyl)-N, Inner salt, OBAZOLIN AHS-103, Hydroxide
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginDerived from coconut or palm kernel oils, this compound belongs to the sultaine surfactant chemical family. Synthesized through hydroxysulfation of lauryl dimethylamine, introducing a hydroxyl group and sulfonate functionality.
Dodecyl(2-hydroxy-3-sulphonatopropyl)dimethylammonium
Formula
C17H37NO4S
Mol. Weight
351.50
CAS #
13197-76-7
Form
Liquid
State
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.
Skin 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.
Foam Boosting
Viscosity Controlling
Locks in moisture
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 750)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating / reactions slight (CIR 750)
Eye Irritant in Testing
1 study / 1 irritating (CIR 750)
Concentration Guide
Leave-onNot reported
Rinse-off0.013–5%
0%50%100%
CIR reported use · 2017 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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