Ammonium Lauryl Sulfate
Notable concerns
INCI · Ammonium Lauryl SulfateCAS 2235-54-3
Also known as: ALS
CleansingFoamingSurfactant
In plain language
A highly effective, strong primary surfactant that creates rich lather but can be irritating to the skin barrier at high concentrations.
Can strip the skin of natural oils and cause irritation if not formulated with milder co-surfactants.
Concerns & harms
Concern
Skin Irritation
Recognized as a potential skin and eye irritant, particularly in leave-on products or high-concentration rinse-offs.
Strong evidence
Where it can be sold
Simplified regulatory status by market — for guidance, not compliance advice.
European UnionAllowed
01
Safety Assessment of Glycerin as Used in Cosmetics ↗
Cosmetic Ingredient Review · 2014
Regulatory