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 begins Extends time between washes Stabilizes the scalp to be less oily over time Key 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