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Formaldehyde donors are a group of preservatives that slowly release small, safe amounts of formaldehyde over time to prevent microbial growth in cosmetic products. This helps to keep products safe and effective for longer.
No specific concern data available
Safety summary
While formaldehyde itself is a known allergen, the small amounts released by formaldehyde donors are generally safe for most people. However, individuals with a known allergy to formaldehyde should avoid products containing these ingredients.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.