A rebuilding mask for very damaged hair that restores protein material to the hair, repairing & sealing the cuticle. Enriched with Biodynamic Iris, this mask provides deep regeneration, improves hair elasticity, leaving hair soft and brilliantly shiny. It is a vegan product, free from silicones. How to use: Apply after washing hair with shampoo. Leave to act as instructed on the packaging, then rinse thoroughly.