Diazolidinyl urea is an antimicrobial preservative used in cosmetics and personal care products to prevent the growth of bacteria and mold. It is considered safe for use in cosmetics and personal care products by the Expert Panel for Cosmetic Ingredient Safety (CIR) and is listed in Annex V of the Cosmetics Regulation of the European Union. However, it can cause skin irritation, allergies, and respiratory problems in some individuals.
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Diazolidinyl urea can cause skin irritation, allergies, and respiratory problems. It is also a known allergen and carcinogen.
Avoid using products that contain diazolidinyl urea if you have sensitive skin or allergies. If you experience any irritation or discomfort after using a product that contains diazolidinyl urea, discontinue use and consult a doctor.
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Safe as used
Unacceptable
Diazolidinyl urea is a formaldehyde-releasing preservative that is used in a variety of cosmetic products, including shampoos, conditioners, body washes, and moisturizers. It is also used in some industrial products, such as paints and adhesives. Diazolidinyl urea is a known allergen and carcinogen. It can cause skin irritation, allergies, and respiratory problems. 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. Diazolidinyl urea is also found in some prescription topical medications, such as burn remedies, shampoos, moisturizing lotions and creams, body powders, sunscreens, cleansers, and other skincare products. Diazolidinyl urea is often used in products that are labeled ‘hypoallergenic’, however, if you have a sensitivity to diazolidinyl urea, these products are far from being hypoallergenic and should be avoided. Diazolidinyl urea is also known by several other names, including: * N,N-methylenebis (N'-)1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea * Urea, N,N-methylenebis [N'-[3-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl] * 1,1'-Methylenebis[3-[3-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl]urea] * Germall 115® * Imidurea NF® * Biopure 100® * Imidurea® * Sept 115® * Tristat 1U® * Unicide U-13® Diazolidinyl urea is an antimicrobial preservative that is used in cosmetics and personal care products to prevent the growth of bacteria and mold. It is considered safe for use in cosmetics and personal care products by the Expert Panel for Cosmetic Ingredient Safety (CIR) and is listed in Annex V of the Cosmetics Regulation of the European Union. However, it can cause skin irritation, allergies, and respiratory problems in some individuals.