What it is: An overnight scalp treatment that helps defend against the visible signs of premature scalp aging while you sleep.Who it's for: All scalp types: Normal to oily, normal to dry. All hair types: Fine, medium, thick.What it does: This lightweight scalp serum defends against visible signs of premature scalp aging. It strengthens and repairs scalp barrier to help support a balanced microbiome and soothes irritated scalp, helping reduce the look of redness and dryness, leaving the scalp soft, supple and nourished.Research results: In a clinical test of 32 women, scalp hydration was reported:- In 1 month:• 96% said scalp felt less sensitive.• 92% said appearance of redness was reduced.• 94% said it left the scalp feeling comfortable.• 94% said it left the scalp feeling hydrated. How to use: Apply directly to scalp at bedtime; massage in. Do not rinse. Hair may be damp or dry. (Suggested application technique: part hair from front to back hairline. Apply to scalp with dropper. Repeat in 5 or more sections to cover entire scalp). 1.7 oz. Vegan Cruelty-free Made in the USA