Root Notes: Korean Scalp Serums Are the New Blowout Prep

Before the blowout comes the ritual nobody sees: a scalp serum worked in at the root, the part of the routine that decides whether the rest holds up. The category has quietly become a fixture in the same kits where good hair starts, treated less like a trend and more like foundation. No red carpet moment required — the payoff shows up later, in the strand itself.

With reporting from Elle.