① as a moisturizing ingredient in cosmetics (urea is a very good moisturizing ingredient, which exists in the stratum corneum of the skin, belonging to the skin's natural moisturizing factor NMF's main component. Used in face masks, skin care water, creams, hand creams and other products in the addition of moisturizing ingredients. Add the proportion of 3-5%.
②to improve acne problems (for the skin, urea has the effect of moisturizing and softening the keratin, so it can also prevent the keratin layer to block the pores, so as to improve the problem of acne)
③ Urea-added cosmetics protect tissues, are hydrophilic, absorb water, and prevent moisture from escaping.
④ Urea-added shampoo, shampoo cream, shampoo has a protective effect on the hair, so that the hair does not split, without hair
⑤ Urea-added lip balm, cream can make the skin, lips soft and elastic, glossy
Name | Cosmetic grade urea |
Chemical formula | CO(NH2)2 |
CAS NO | 57-13-6 |
Molecular weight | 60.06 |
Content | 99% |
Melting point | 132.7℃ |
Characteristic | Soluble in water, ethanol and benzene, insoluble in ether and chloroform. White crystal, odorless, hygroscopic. Melting point 132.7°C (decomposition), soluble in water, ethanol and benzene, slightly soluble in ether, insoluble in trichloromethane |