Olaplex No. 3 Hair Perfector Another Space NK bestseller is Olaplex No. 3 Hair Perfector (£26). The at-home treatment works inside your strands to restructure the bonds that can be broken from colouring or heat styling. Hair looks shinier and feels softer, and split ends are less visible. Image Source: spacenk.com Olaplex No. 3 Hair Perfector £26 from spacenk.com Buy Now