FIELD: chemistry.
SUBSTANCE: invention relates to field of cosmetology and deals with collagen hydrolysate, applied for improving person's skin, hair and/or nail health, obtained by enzymatic hydrolysis of gelatine with successive impact of one after another two endopeptidases with different specificity, with at least 90 wt % of collagen hydrolysate having molecular weight lower than 3500 Da, and collagen hydrolysate containing at least four typical peptides with molecular weight 600-1200 Da, which have at least doubled intensity in molecular-weight distribution (determined by MALDI-mass-spectrometry method) in comparison with their medium, and content of hydroxyproline in collagen hydrolysate constitutes 12 wt % or more.
EFFECT: invention provides collagen hydrolysate, possessing increased positive impact ion skin, hair and/or nail health.
15 cl, 5 dwg, 2 tbl, 8 ex
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