pH Transformer is a fluid for transforming permanent color into a toning color, it allows you to switch from an alkaline pH 8.5 /9 to an acid pH 4. The ALOE VERA present in the formula has a protective action on the keratin structure. In the color service, the pH Transformer is used as a TONALIZER for lightening such as balayage, meches, shatush WITHOUT LIFTING THE NATURAL BASE. PH Transformer mixed with the color, promotes an ideal consistency of the color, for an easy and fast application.