Olaplex may be the first bond builder on the market, but it's no longer the only option — nowadays, there are many other bond builders to choose from, each with its own unique benefits.

This treatment is packed with hydrating, anti-inflammatory ceramides to prevent moisture loss and strengthen the skin barrier on the scalp — plus, it contains Olaplex’s proprietary bond ...

Enter the Olaplex No.0.5 Hydrating and Strengthening Scalp Serum ($44), which I discovered at the perfect time to offset the scalp damage I've accrued during these brisk transitional months.