Briogeo Don’t Despair, Repair! Deep Conditioning Mask is a weekly treatment scientifically proven to strengthen hair up to 2X after 3 uses. Briogeo’s best-selling, cult favourite, 5x Allure Beauty Award Winner. - Strengthens damaged hair. - Helps prevent future damage. - Clean and naturally derived, formulated 6-free, and made with Briogeo’s proprietary NOVA Complex that fortifies, nourishes, and protects. This mask is scientifically proven to boost hair strength, shine, and silkiness and improve the long-term health of damaged hair. Formulated with rosehip oil, B-vitamins, and algae extract, this antioxidant-rich formula restores essential moisture and hydration to dry, brittle, coloured, or over-processed hair. Formulated with 97% naturally derived ingredients. Test Results: Scientifically proven to strengthen hair up to 2X after three uses.