Formulated with the technology I+ that provides a few results from color pure and balanced with depth and natural shine. Allows up to 100% grey coverage and up to 3 levels of lightening, reducing the damage hair coloration after coloration. Proportion simple 1:1. Formulated with the technology I+ that provides a few results from color pure and balanced with depth and natural shine. Allows up to 100% grey coverage and up to 3 levels of lightening, reducing the damage hair coloration after coloration. Proportion simple 1:1.