• Masquintense Riche by Kérastase is an ultra-concentrated and nourishing hair mask, ideal for very dry, medium to thick hair. • Formulated with anti-dryness polymers and essential nutrients that nourish and strengthen the hair, providing up to 89% immediate hydration and 72 hours of nutrition. • Intensely hydrates the hair fiber, leaving a soft and shiny finish, with 48% more softness and 116% more shine. • Apply to lengths and ends after washing hair with shampoo and towel drying. Leave on for 3 to 5 minutes and rinse. • Product dimensions: 20.7 cm wide, 8.8 cm high, 30.2 cm long. Weight: 0.22 kg.