Schwarzkopf BC pH 4.5 colour freeze Micellar rich Shampoo gently, yet effectively cleanses over-processed coloured hair. It strengthens the hair structure and helps to optimize the pH level to 4.5. The formula with additional keratin fills structural gaps. Apricot oil protects and smooths the hair surface and provides extra shine. Colour appears vibrant until the next salon visit. Comes in a 1000 ml bottle.