Combined allantoin-hydrolyzed animal protein skin preparation

摘要

A stable form of allantoin is provided which takes the form of a combined allantoin-hydrolyzed animal protein product which may be employed in the form of a hydroalcoholic solution, such as a cologne, after-shave lotion or skin toner, containing at least about 0.5% by weight allantoin which remains in solution, without crystallizing out, over extended periods of time. Methods for increasing the stability of allantoin and for forming a stable form of allantoin are also provided.