A cult pre-shampoo treatment that helps to strengthen hair, restore shine and add bounce. The hardworking formula can be applied overnight to treat very dry, brittle or damaged hair (especially from bleaching and colouring) or as an intensive anti-frizz treatment for 20 minutes. Suitable for all textures, frequent use leaves hair looking healthier with less breakage.nAbout Philip Kingsley - Founded by leading celebrity trichologist Philip Kingsley more than 60 years ago, this research-led brand has attracted a loyal following among Hollywood\'s A-listers and customers alike. The award-winning products are based on the latest scientific research to help improve all scalp and hair concerns.