Transforming dry, dull hair types, Living Proof’s PhD Shampoo effectively rids hair of dirt, sweat, oil and pollution, leaving it feeling silky-soft with enhanced shine. Powered by a proprietary amino cleansing complex, the luxe lather gently cleanses without stripping or over-drying hair. The sulphate-free shampoo is suitable for colour-safe and chemically-treated hair, formulated to help minimise the frequency of wash days. Pair with Living Proof’s PhD Conditioner to promote healthy-looking, vibrant results.