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Methylchloroisothiazolinone is a preservative commonly used in rinse-off cosmetic products to prevent the growth of bacteria, yeasts, and molds.
No specific concern data available
Safety summary
Considered a potent sensitizer and allergen, particularly in leave-on products. Its use is restricted in many regions and often combined with Methylisothiazolinone.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.