Hello, hydration. Stock up and save on your favourite shampoo with this double Living Proof Perfect Hair Day (Phd) Shampoo (2 x 236ml) - this shampoo gently cleanses the hair and provides sleekness and shine with every wash. Key Benefits: - Removes dirt sweat, oil, pollution, and product build up - Luxe lather gently yet effectively cleanses without stripping or over-drying strands - Adds 68% more shine - Leaves 3x stronger with one wash* *After 1 use of Perfect hair Day Shampoo + Conditioner vs. untreated.