MGC Paris Marrow Shampoo 300 ml Toning Shampoo Revitalizing Care. Dry, brittle, weakened hair. Enriched with vitamin E.? A gentle shampoo stimulates and helps tired hair regain its vitality. Bamboo pulp extract, which has a remineralizing and strengthening effect, nourishes, regenerates and strengthens the hair fiber from the roots. Directions for use: Apply to wet hair. Massage and leave to act for two minutes. Rinse and repeat the operation if necessary.