The OLAPLEX All-in Care Set includes:1 x OLAPLEX No. 0 Intensive Bond Building Hair Treatment, 155 ml1 x OLAPLEX No. 4 Bond Maintenance Shampoo, 250 ml1 x OLAPLEX No. 5 Bond Maintenance Conditioner, 250 ml1 x OLAPLEX No. 6 Bond Smoother Leave-In Reparative Styling Cream, 100 ml1 x OLAPLEX No. 7 Bonding Oil, 30 ml No. 0 Intensive Bond Builiding Hair Treatment: The intensive repair booster prepares the hair for treatment with OLAPLEX Hair Perfector No. 3. As a 2-step home treatment, No. 0 and No. 3 repair broken disulfide bridges in the hair and sustainably strengthen the hair structure.No. 4 Bond Maintenance Shampoo: OLAPLEX Shampoo, also known as OLAPLEX No. 4, visibly improves hair structure and gives hair incredible shine.No. 5 Bond Maintenance Conditioner: OLAPLEX No. 5 Conditioner repairs and hydrates hair without weighing it down, improving structural damage and reducing split ends. For strong, healthy and shiny hair.No. 6 Bond Smoother Leave-In Reparative Styling Cream: OLAPLEX's