Schwarzkopf Professional Blue bold colour wash delivers bold, vibrant shades with minimal effort and impressive, long-lasting results. These sulphate-free washes gently cleanse, whilst adding vibrant colour and intense shine in 1 simple step. The highly-pigmented, semi-permanent formulas deposit bold colours on light brown to pre-lightened hair bases, building colour intensity with each use. It is very easy to use and gives a long-lasting effect. Very easy to use and gives a long-lasting effect. Blue Wash for a bright Blue colour. Sulphate-free and gives the hair a great shine. Enriched with a special formula that is highly pigmented. Specially developed for people with a tough character.