A lightweight serum that hydrates hair + scalp. Infused with Hyaluronic Acid and Glycolic Acid, the H2-Whoa! Hydrating 3-In-1 Scalp Serum is clinically proven to instantly hydrate the scalp and relieve scalp dryness.*

*When compared to not using Eva NYC’s H2-Whoa! Hydrating 3-in-1 Hair & Scalp Serum