A Complete Guide to the Best Olaplex Products — Including Those on Sale For Prime Day

Olaplex Lashbond Building Serum ($68)

Olaplex's commitment to giving you stronger, shinier hair has officially reached a whole new level with the brand's latest launch: the Olaplex Lashbond Building Serum. Designed to give users healthier-looking lashes in as little as two weeks, this product essentially takes everything we love about Olaplex's shampoos and conditioners, and bottles it up into a more lightweight serum that aims to increase the volume, look, and overall health of your eyelashes. What's not to love about that?