Olaplex No. 3, 250 ML, $76 retail value Olaplex No. 4, 250 ML, $41 retail value Olaplex No.8, 100 ML, $41 retail value Purchased all three items from Sephora in December. I have changed my hair care routine, and no longer require these products. Olaplex No. 3 and Olaplex No. 8 are still sealed. Olaplex No. 4 was used once.