Permanent colouring that provides a radiant and brilliant colour to the hair. Helps cover 100% of grey hair from the first application and ensures long-lasting colour hold. It allows a precise and uniform distribution from the roots to the ends of the hair. It is composed of a formula containing pro-keratin that respects and protects the hair and scalp, minimizing the risk of allergies. Ammonia free.Colour no. 4 brown.