Apply one ampoule evenly to a clean

Topchic and Topchic Zero should not be mixed together

and massage into a lather

1 LIGHT BLONDE ASH hair color

Apply the gel with your hands for general hold or use your fingers to define individual strands

L'Oréal Professionnel Serie Expert Metal DX Pre Treatment, 500 ml COLORVITALITY Apply one ampoule evenly toL'Oral Professionnel Serie Expert Metal DX Pre Treatment, 500 ml The L'Oral Professionnel Serie Expert Metal DX Pre Treatment is an advanced pre treatment spray specially formulated to neutralize metal particles in the hair. These particles, which can originate from water, increase the risk of hair breakage and impair color quality during coloring, balayage, or bleaching services. Thanks to its innovative formula with 10% glycoamine, the Metal Detox