Echosline no yellow shampoo is especially designed to to neutralize yellow past, the laws golden toner in blond, gray or ac have. This special formula contains violet pigments, there help with to counteract undesirable heat toner, past, the laws leaves hair with one colder, more neutral blonde shade. Application: lining to use echosline no yellow shampoo, apply one appropriate quantity in wet have, lots carefully in past, the laws let what act in 1-5 minutes, depending of desired result. Rinse then carefully. Repeat about necessary lining to obtain it desired shade. Use then one suitable conditioner past, the laws finishing lining to obtain what best result.