30x L'oreal Serie Expert Powerdose Color is a treatment for colored hair. Powderdose Color is an instant personalised technical treatment for professional use only. A powerful, rinse-out repair treatment with long-lasting results to restore and prolong the colour of the hair. Coloured hair is instantly detangled. Easy to style, it regains a soft, silky, natural feel. Seals in color and preserves vibrant shine of color-treated hair. L'oreal Serie Expert Powerdose Color is a treatment for colored hair. Powderdose Color is an instant personalised technical treatment for professional use only. A powerful, rinse-out repair treatment with long-lasting results to restore and prolong the colour of the hair. Coloured hair is instantly detangled. Easy to style, it regains a soft, silky, natural feel. Seals in color and preserves vibrant shine of color-treated hair.