Control excess oil + odor with this daily pH-optimized leave-on scalp serum, designed to extend time between washes. Balances scalp pH to stop oil production before it beginsExtends time between washesStabilizes the scalp to be less oily over timeKey Ingredients:4% Niacinamide: A topical vitamin B3 that balances oil levels. 5% Hyper-Fermented Green Tea Blend: Molecular antioxidant targets excess oil. 2% Bio-Fermented Astragalus: Supports collagen and hyaluronic acid production for moisturized skin. | Act+Acre 4% Niacinamide Oily Scalp Serum, 2. 2 oz | Dermstore