Improve the appearance and health of your hair with Living Proof Perfect Hair Day (PhD) Conditioner, a nourishing treatment that delivers visible results over time. The silky, weightless formula envelops strands to restore hydration and strength, smoothing the hair fibre to improve manageability and tame frizz. Powered by the brand’s exclusive Healthy Hair Molecule, the conditioner delivers soft, shiny and revitalised results. Safe for coloured and chemically-treated hair. Free from parabens, silicones and phthalates. Cruelty-free.