Preservative and frequently used in embalming fluids – both release formaldehyde.
Used as a pesticide, and as an antiseptic and preservative in nail products and hair care products. Known human toxicant or allergen. Diazolidinyl urea is an antimicrobial preservative that works by forming formaldehyde in cosmetic products. People exposed to such formaldehyde-releasing ingredients may develop a formaldehyde allergy or an allergy to the ingredient itself. In the U.S. approximately 20% of cosmetics and personal care products contain a formaldehyde-releaser and the frequency of contact allergy to these ingredients is much higher among Americans compared to studies in Europe.This long list of ingredients fall into the Urea group:
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