This limited edition kit contains full sizes of 155ml Nº.0 Intensive Bond Building Hair Treatment and 100ml Nº.3 Hair Perfector, plus complimentary 30ml Nº.4 & Nº.5 Bond Maintenance Shampoo & Conditioner. Olaplex Hair Rescue Kit is scientifically proven to provide 68% more repair and 3X stronger hair to maintain healthy-looking hair between salon visits. For all hair types, especially for those with visible damage.