Invigorate & fortify the appearance of fine, limp locks with the OUAI Fine Hair Shampoo. This nourishing shampoo works to add weightless body & volume to lacklustre tresses while gently lifting away any dirt, grime & product build-up lingering at the scalp & ends. Powered by a cocktail of beneficial ingredients, the hair treatment helps to charge flat, duller-looking locks with a new lease of life. Hydrolysed Keratin promotes a silky-smooth finish, filling in missing keratin found naturally in the hair follicle to tame fly-aways & frizz. Biotin releases strengthening properties to enhance strands with increased resilience. Hemp Seed Extract hydrates & conditions while Chia Seed Oil creates the illusion of thicker, more voluminous hair. This volumising shampoo delivers essential nutrients to thinner locks as it adds shape & definition to both the roots & lengths, leaving tresses clean, bouncy & full of life.