Its special formulation, enriched with Diamond, Silk Proteins and Organic Grapeseed Oil, has an effective antioxidant and restructuring action. Disentangles, hydrates and nourishes blonde hair, bleached and streaked. Adds silkiness and brilliance without weighing the hair down, enhancing the shine and neutralizing unwanted yellow reflections. Ideal also on grey and white hair. All Nook products are cruelty free.