Damage repeated from colouring and chemical techniques, heat styling leaves hair weak and brittle. hair that can no longer cope, Rene Furterer has selected 3 natural-origin restorative ingredients. Plant based Keratin penetrates deep into the heart of hair fibre to fill cracks and support hairs structure. Biocymentine reinforces hair structure and seals cuticles. Camelia oil, with its high omega-3 fatty acid content nourishes hair. This is mask is capable of restoring the natural beauty of your hair. Silicon free.