Introducing PHYTO NATURE blue tonic specifically designed for individuals with grey and white hair. This tonic features centaury extract, which combats yellowish hues and elevates the brilliance of white and grey shades. Its formulation, enriched with provitamin B5 and plant auxins, offers revitalizing benefits, fortifying hair roots effectively. This product leaves no residue, oiliness, or dryness in the hair while providing a subtle scent. It's been dermatologically tested and is cruelty-free. For best results, apply on a clean and damp scalp, massaging it gently with your fingertips, and there's no need to rinse afterwards.