4% Niacinamide Scalp Serum For Oily Scalp + Hair 2.2 oz / 65 ml

What it is: A pH-optimized leave-on scalp serum designed to extend time between washes and control excess oil and odor.

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Color Safe
- Oily Scalp

Key Benefits:
- Balances scalp pH to prevent excess oil production
- Extends time between washes
- Stabilizes the scalp to be less oily over time

Highlighted 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.

Ingredient Callouts: This product is vegan, gluten-free, cruelty-free, and comes in recyclable packaging.

What Else You Need to Know: Niacinamide is a water-soluble form of vitamin B3. Niacinamide is an antioxidant and anti-inflammatory ingredient to support regulated oil production.

Act+Acre uses bio- and hyper-fermented ingredients in this formula to create a multitude of smaller molecules that can better penetrate the scalp for boosted efficacy and pH optimization of the scalp microbiome.

Fragrance Description: Fragrance-free.


Clean at Sephora
Our commitment to offering formulas that go beyond regulatory standards to avoid controversial ingredients without sacrificing effectiveness.