Carcinine dihydrochloride, scientific name β - alanyl-L-histone, is an imidazole dipeptide composed of β - alanine and L-histidine. As early as 1975, decarboxylase peptide was first discovered in crustaceans and subsequently found in mammalian hearts. In 1994, EXSYMOL Monaco first introduced decarboxylated myopeptide (trade name: Alistin) ®） Applied in the field of cosmetics. At present, products of decarboxylase peptide on the market often exist in the form of decarboxylase peptide hydrochloride (C8H14N4O · 2HCl)
