Evo The Therapist Hydrating Shampoo is designed to give dry, colour-treated hair the burst of moisture it needs to look and feel it's best. With a rich, argan-oil infused formula, Evo The Therapist Hydrating Shampoo hydrates and nourishes your hair, strengthening weakened strands and softening it's feel, leaving your hair healthier and stronger, whilst bringing the best out of your colour. Lather into your hair and rinse clean.