Schwarzkopf BlondMe Premium Developer 1000 ml 12% | 40 VOL is a high performance professional oxidant, ideal for intense and perfect lightening. The formula guarantees a stable emulsion that activates the lightening process modo uniform, protecting the struttura of the hair. Thanks to the 12% concentration, it ensures brilliant and precise results, maximizing the brightness and the desired blonde tone. Perfect for salons that aim for professional results, while preserving hair health.