Description: Natural active ingredient derived from roots and leaves of the comfrey plant, purity 98 %, melting point 230oC (446oF). White crystalline powder, odourless. Water soluble (ca. 1g / 200 ml). Synonyms: 5-ureidohydantoin, glyoxyl-diureide, 2,5-dioxo-4-imidazolidinyl-urea. CAS# 97-59-6. INCI Name: Allantoin. Properties: Protects skin (e. g. burns, sunburns, scrapes), repairing agent by promoting keratolysis and cell proliferation (e. g. chapped, cracked skin and lips), relieves dryness, soothing effects (e. g. nappy rash). Use: Add to aqueous phase of formulas, usual concentration 0. 2 - 2%. Application: Lotions, creams, protective creams, sun care and after sun products, shampoos, scalp rinses, shower gels, lip and baby care products.
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