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Formaldehyde is a chemical compound that was historically used as a preservative in cosmetics. Due to safety concerns, its direct use is now highly restricted, and it is more commonly associated with formaldehyde-releasing preservatives.
No specific concern data available
Safety summary
Known allergen and sensitizer; classified as a human carcinogen by some agencies. Its use in cosmetics is heavily regulated or prohibited in many regions.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.