Olaplex No. 4 Bond Maintenance Shampoo is a highly moisturizing shampoo that leaves my hair easy to manage and appearing healthier. This shampoo helps to repair, strengthen, and protect my hair. No. 5 Bond Maintenance Conditioner is a highly moisturizing conditioner for all hair types. It leaves my hair easy to manage and appearing healthier looking. How do I use it: Apply and massage product throughout hair. Rinse product from hair. Follow with conditioner. Apply a generous amount from scalp to tip. Leave on for three minutes, then rinse. LTKsalealert LTKbeauty