High Concern

Methylchloroisothiazolinone

Flagged by EU SCCS + EWG Skin Deep as a potent contact allergen/sensitizer concern

What it is

Methylchloroisothiazolinone is a cosmetic ingredient flagged by EU SCCS + EWG Skin Deep as a potent contact allergen/sensitizer concern.

Found in 10 products on this site

Sorted worst score first. Lower score = more concerning overall formulation.

Products that avoid this ingredient

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