| abstract |
FIELD: chemistry. n SUBSTANCE: invention concerns active cosmetic compounds and their dermatologically tolerable salts related to the general formula I , where R 1 is hydrogen, -C (O)-R 6 or -C(O)-XR 6 ; R 2 and R 4 are independently (CH 2 ) n -NH 2 or CH 2 ) 3 -NHC(NH)NH 2 ; n=1-4, R 3 is substituted hydroxyl linear or forked alkyl with 1-4 carbon atoms, if required; R 5 and R 6 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 R 1 and R 5 cannot be hydrogen and X be oxygen at the same time. n EFFECT: obtaining compounds of the general formula (I) and active cosmetic composition for collagen and elastin generation enhancement in human skin. n 20 cl, 1 tbl, 8 ex |