Schwarzkopf Professional BlondMe Premium Developer 6% / 20 Vol. of 1000 ml is an oxygen developer formulated to deliver professional results in lightening and colouring services. Ideal for gentle lightening and natural-looking highlights, this formula protects the hair fibre during the process, ensuring una even, long-lasting colour. Thanks to its creamy consistency, it makes application easier and optimises mixing with BlondMe colours, delivering radiant results and perfectly luminous hair. Una qualified choice for demanding professionals.