Bain de Masse Épaississant is a thickness-enhancing bath for thinning and thinning hair. With a cocktail of highly effective ingredients that instantly strengthen and thicken the hair fiber for an immediate more voluminous look. The hair is 5 times more voluminous* and increases the resistance of the fiber by +85%**. It is a daily treatment to prevent hair loss from the root, reducing it in 6 weeks. Format: 250ml