What it is
The ammonium salt of lauryl sulfate, behaves similarly to SLS.
What it does
High-foam cleanser in shampoos and body washes.
Why it’s a concern
Comparable to SLS in skin-barrier disruption and sensitisation risk, especially with extended contact. Reviewed by the Cosmetic Ingredient Review as safe for brief, discontinuous use, but cumulative daily exposure is less well studied.
Also known as
ALS
CAS numbers
2235-54-3
Commonly found in
shampoobody wash
Safer alternatives
- decyl glucoside
- coco-glucoside
Sources
- CIR Assessment of Ammonium Alkyl Sulfates