Davroe Scalp Remedy Spa Overnight Serum 50ml The Davroe Scalp Remedy Spa Overnight Serum is designed to restore your scalp while you sleep, revitalizing hair follicles to help prevent premature hair loss and support healthy hair growth. Specially formulated to hydrate, soothe, and stabilize your scalp's skin barrier. Infused with Tea Tree Leaf oil, this serum also enhances sleep quality while supporting natural hair growth while you sleep. How to use: Start by parting hair into 3 sections, depending on the thickness of hair. Tilt hair back slightly and apply serum by squeezing a drop to front, middle and back of scalp, in each section. Lightly massage onto the scalp to spread serum. Can be left on hair, does not need to be rinsed out.