Loading...
Loading...
This ingredient, often found in a blend with Methylisothiazolinone, is a highly effective preservative used to prevent the growth of bacteria, yeast, and mold in water-based cosmetic products.
No specific concern data available
Safety summary
Methylchloroisothiazolinone is a potent sensitizer and allergen, especially when used in leave-on products or at higher concentrations. Its use is restricted in many regions due to high rates of allergic contact dermatitis.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.