Allow the Living Proof Perfect Hair Day (PhD) 5-in-1 Styling Treatment to encourage the illusion of gloss and shine. Fast-absorbing and lightweight, the treatment utilises a Healthy Hair Molecule to deeply-hydrate.The appearance of dryness and split ends is reduced, while a Thickening Molecule offers a bouncier, more volumised aesthetic.The versatile formula offers heat protection for up to 230°C, allowing the colour-safe treatment to minimise the risk of styling damage.