Smiss Silk peptide is a kind of silk proteinic product with smaller molecular weight consisted by 18 kinds of amino acids. Its molecular weight is generally between 300 to 2000 with better water soluble property but not dissolved in organic solvent. The silk peptide in large molecular weight has a good membranate-forming character which gives the hair natural gloss and elasticity tolet the hair easy dressing and making up. The silk peptide of low molecular weight is easy to be absorbed by skin, and to be permeated to the hair to provide the necessary nurture for its normal metabolism, as well as to repair the injured hair.