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This ingredient acts as a preservative, preventing the growth of bacteria, yeast, and mold in cosmetic products. This helps to keep the product safe and effective for longer by preventing spoilage.
May aggravate
Safety summary
It is a formaldehyde-releasing preservative. While effective, some individuals may experience contact allergies or irritation, especially those sensitive to formaldehyde.
CAS Number
51200-87-4
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.