Curious about the results of Olaplex before and after use? The Olaplex Discovery Kit offers the perfect opportunity to discover Olaplex's revolutionary products. This comprehensive set contains everything you need to repair, maintain, and protect your hair. It includes No. 3 (30 ml), No. 8 (30 ml), No. 4 (30 ml), No. 5 (30 ml), No. 4C (20 ml), No. 6 (20 ml), No. 7 (30 ml), and No. 9 (20 ml).