Derivative of poly-oligosaccharide, preferably chitosan, cosmetic composition containing the derivative, method of the synthesis and application of this derivative

摘要

the subject of the invention is a polioligosacharydu, chemical synthesis of new polioligosacharydu and cosmetic composition containing a derivative of polioligosacharydu and apply the derivative and / or chitosan to produce measures to protect against allergy met but. the positive solution is tripeptydowa derivative chitosan for prevention of allergy to nickel.