C
Sodium Laureth Sulfate
Sodium Laureth Sulfate (SLES)
This letter is an internal editorial classification of the ingredient, not a clinical evidence rating. It does not certify safety, suitability for your skin or the SPF of a finished product.
surfactant
A milder cousin of SLS (ethoxylated version). Still a relatively harsh surfactant but less irritating than SLS. Very common in cleansers and shampoos.
Benefits
Effective cleansing, good foam, less harsh than SLS
Risks & concerns
Can still irritate sensitive skin. Milder than SLS but not as gentle as glucosides.
Best for
Oily skinNormal skin
Avoid if
Sensitive skinDry skin
Technical details
- INCI name
- Sodium Laureth Sulfate
- CAS Number
- 9004-82-4
- Category
- surfactant
- Comedogenic rating
- 0/5
- Also known as
- sles