Alfaparf Lisse Design Keratin Therapy Rehydrating Mask 200 ml Bain de Masse Shampoo, density to your fine hair. The Bain de Masse Épaississant shampoo is a bath that offers density and body to weakened and fine hair. It reinforces it, making it more resistant to breakage, and restores its vitality and strength. Fine hair appears thicker and denser, with greater body and volume. BENEFITS: <, strong> Frequent use. Hair less prone to breakage. Lightweight scalp. Stronger hair. Denser hair. More masculine and woody fragrance. HOW TO USE: <, strong><, p> Spread over damp hair, massage into foam and rinse.