6.6oz Apply Olaplex No.4 Bond Maintenance Shampoo and massage product throughout hair. Rinse product from hair. Follow with Olaplex No. 5 Bond Maintenance Conditioner This product is not tested on animals This product is paraben-free Expiration date: Use within 12 months of opening Made in the USA All items for external use only Contents of set include: #4 Bond Shampoo (3.3oz) #5 Bond Conditioner (3.3oz)