ColourU Red Violet 4.62 100g size:100g Natural level 6 + 40

Natural level 6 + 40 vol developer

Instantly tones your blonde hair with blue-violet pigments and softens to leave hair nourished and hydrated

Follow with Lust Hydrate Conditioner for optimum results

Crazy Color Blue Shampoo helps to preserve the boldness and vibrancy of blue hair

ColourU Red Violet 4.62 100g size:100g Natural level 6 + 40ColourU professional colour tube 100g (Note: These colours need to be mixed with a peroxide) ColourU is a superior hair colour cream made in Italy with Cashmere Keratin and Black Pearl Minerals for radiant and glossy colour results. Low ammonia 1. 3% Covers 100% grey hair with 20vol and 30 vol Peroxide guide: 5vol (1. 5%) No lift 10vol (3%) Up to 1 level of lift 20vol (6%) Up to 2 levels of lift 30vol (9%) Up to 3 levels of lift 40vol (12%) Up to 4 5