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INCI: METHYLISOTHIAZOLINONE CI 77491
Methylisothiazolinone is a preservative used to prevent the growth of bacteria, yeast, and mold in cosmetic products, ensuring product safety and shelf life. CI 77491 is Iron Oxide Red, a common pigment used for coloring cosmetics.
No specific concern data available
Safety summary
Methylisothiazolinone is a known sensitizer and can cause allergic contact dermatitis, especially in leave-on products; it is often avoided by those with sensitive skin. CI 77491 is generally considered safe.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.