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INCI: BENZISOTHIAZOLINONE
A broad-spectrum preservative used to prevent the growth of bacteria, yeasts, and molds in water-based cosmetic formulations, extending product shelf life.
Beneficial for
May aggravate
Safety summary
Can be a skin sensitizer in higher concentrations; restricted in some regions. Used at very low concentrations.
CAS Number
2634-33-5
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.