Get salon results in the comfort of your own home with Olaplex's 'Hair Repair Treatment Kit', a step-by-step process that transforms the appearance of damaged hair. Designed to strengthen strands, each product harnesses the brand's patented 'Bond Building Technology' for visible improvement. - Suitable for all hair types - Free from parabens, phthalates, phosphate, sulfate, gluten and nuts - Vegan - 'N°0 Intensive Bond Building Hair Treatment' primes dry and frizzy hair so it's ready for repair - 'N°3 Hair Perfector' is sold once every 3.5 seconds. It's a weekly treatment that works to reduce breakage - 'N°4 Bond Maintenance Shampoo' is nourishing and reparative, even on color-treated hair - 'N°5 Bond Maintenance Conditioner' targets frizz and split ends