Schwarzkopf Professional Chroma ID Bonding Colour Mask 8-46 Milk Chocolate (250ml) is Schwarzkopf Professionals first 100% customisable, semi-permanent mix and tone colour system with integrated Bonding Technology and caring formulas. This 250ml size is perfect for at home colour refresh and pastel services, helping salon clients maintain their colour vibrancy at home between salon visits. The colouring hair masks are very easy to use, and the processing time is about 3-15 minutes. With integrated Bonding and Low Salt Technology, combined with deeply caring formulas, Chroma ID maintains and even improves overall hair quality. Bonding Technology reinforces the structural bonds within the hair shaft for stronger hair with less breakage. Low Salt Technology reduces the pigment penetration barrier, allowing more colour pigments to enter the hair. Keratin and Panthenol provide extra care, and seal the outer cuticle for improved hair quality. Directions of use: Apply the mixture evenly on pre-washed and towel-dried hair. Leave on for 3-15 minutes, keeping visual control. Depending on shade selection, development time and hair structure, colour lasts between 5-12 washes.