Formulated with unique hyper-branched polymers and hydrolysed pea peptides, the Philip Kingsley Density Thickening Shampoo seeks to volumise the look of fine hair without stripping it of natural moisture. It helps to minimise the risk of breakages, while BHAs gently exfoliate the scalp. Use alongside the brands Density Thickening Conditioner for fuller and stronger-looking tresses.