Ouai Haircare- Fine Hair Shampoo( 300ml )Bottling their beloved hair plumping shampoo in a design more than to fit to grace your bathroom shelfie, look to the Fine Hair Shampoo to bring bounce and brilliant shine into your strands future. If your hair feels eternally flat and seems impervious to movement, it can be a nightmare to style. Thats where this volumising shampoo steps in. The silky formula is infused with hair strengthening hydrolysed keratin plus biotin to promote thick, frizz