Milk Shake Cold Brunette Shampoo 1000ml When brown hair is coloured or lightened, red and yellow melanin come through as residual pigments, creating unwanted warm tones in the hair. The blue pigments contained in the new milk shake cold brunette range: - counteract red/orange tones in brown hair - remove unwanted warm tones - make cool toning treatments last longer SPECIFIC SHAMPOO FOR BROWN HAIR Use: apply evenly over damp hair, leave in for a few minutes, then rinse. For a more intense result, leave in for a few more minutes. Proceed with cold brunette conditioner.