Ingredient dictionary

Ammonium Lauryl Sulfate

Korean INCI: 암모늄라우릴설페이트 · Also written as: ALS

BaseMay irritate

What it is

Cleanser

How it affects the score

Formulation ingredient (cleansing, viscosity, preservation). Not scored.

How to read it on the label

Common to most shampoos — no need to judge a product by its presence.

Ingredients are listed by descending concentration. Anything after the ~1% anchors (EDTA, hexanediol, preservatives) is effectively trace.

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Related ingredients

※ For reference only, based on public ingredient data — not medical advice.