FIELD: chemistry.
SUBSTANCE: invention concerns active cosmetic compounds and their dermatologically tolerable salts related to the general formula I 
, where R1 is hydrogen, -C (O)-R6 or -C(O)-XR6; R2 and R4 are independently (CH2)n-NH2 or CH2)3-NHC(NH)NH2; n=1-4, R3 is substituted hydroxyl linear or forked alkyl with 1-4 carbon atoms, if required; R5 and R6 are independently hydrogen, alkyl with 8-24 carbon atoms, alkenyl with 8-24 carbon atoms; X is oxygen (-O-) or -NH-; on condition that both R1 and R5 cannot be hydrogen and X be oxygen at the same time.
EFFECT: obtaining compounds of the general formula (I) and active cosmetic composition for collagen and elastin generation enhancement in human skin.
20 cl, 1 tbl, 8 ex
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