Nutrafol Scalp Essence Water-Based for Improved Hair Health DAILY SCALP ESSENCE: One 2 fl oz bottle of Nutrafol scalp essence, a clinically tested scalp moisturizer to soothe and calm a dry, red scalp and calm irritation for improved hair health ( https://www.naturalherbsclinic.com/product/nutrafol-scalp-essence-hair-health/