Philip Kingsley Density Thickening Shampoo - your dream hair starts in the shower. Philip Kingsley Density Thickening Shampoo contains unique hyper-branched polymers and Hydrolysed Pea Peptides to instantly volumise fine hair without causing dryness. The special sulphate-free formula restores and strengthens strands from deep within the cortex, while BHA’s gently exfoliate the scalp, for reduced hair breakage and an optimal scalp environment. The result Your hair looks (and feels) thicker and healthier than ever.