Cynos 56 Nano Colorplex N1PRODUCT DETAILS Supplementing of the cysteine in hair, fixing the disulfide bonds. About 80% of hair fiber consist of cysteine. Cysteine plays an important role in hair fibers and makes a big effect, enhancing the inside cohesion of hair completing the hair structure and is one of the most important amino acids in keratin. During the hair colouring, bleaching and perming process causes a large loss of cysteine. The main element of the Cynos 56 Nano
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