Unilever Nexus Repair & Color Protect Shampoo (440g / Refill 350g) Retains hair color. Long lasting color and shine. Color protective film ingredient formulation locks in color and protein that would otherwise easily run off with every shampoo. Focuses on proteins, which make up about 90% of hair. Contains W hydrolyzed keratin protein and quinoa extract. Refreshing fragrance of white flowers in bloom.