Complete Olaplex hair care set. Includes No.3 (x2), No.4 (x2), No.4C, No.5, No.6, No.7 Bonding Oil, and No.8. Perfect for hair repair and strengthening. All bottles are sealed and unopened aside from No. 6, which is missing seal but unused. Great way to try the whole line, or to have on hand for travel!