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INCI: METHYLCHLOROISOTHIAZOLINONE & METHYLISOTHIAZOLINONE
A highly effective preservative blend commonly used in rinse-off cosmetic products to prevent microbial growth. Its use in leave-on products is restricted due to potential sensitization.
No specific concern data available
Safety summary
Highly effective preservative. Known to be a strong sensitizer, especially in leave-on products. Its use is heavily regulated and restricted to rinse-off products at very low concentrations in many regions.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.