ITELY HAIRFASHION OH MY BLONDE! pH MODULATOR inhibits the lightening of natural melanins and neutralizes the effect of oxidation dyes. Just a few drops is all it takes to mitigate the alkalinity of the toning cream, preventing the lightening of natural hair. The exclusive &-PLEX Bond Repair, a complex of precious oils and vegetable butters, helps to improve hair shine and resistance, making it stronger and healthier.