Cold Processed®
4% Niacinamide Oily Scalp Serum
Rated 4.9 out of 5 stars
143 Reviews
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
Size: 2.2 fl oz - 65 ml
Save 30% on Your First Subscription
(All following orders save 20%)
(All following orders save 20%)
Why You Need This
Real User Results
Consumer Testing
99%
agree hair appears less oily after using this serum
96%
agree that they could extend time in between washes
96%
agree that this serum helped to reduce scalp oil production
*In an independent consumer trial conducted by Act+Acre with 20 participants over 2 weeks
Scalp Science
Niacinamide is a water soluble-form of vitamin B3. Niacinamide is an antioxidant and anti-inflammatory ingredient to regulate oil production
We use Bio + Hyper-Fermented ingredients in this to create a multitude of smaller molecules that can better penetrate the scalp for boosted efficacy and pH optimization of the scalp microbiome.
We use Bio + Hyper-Fermented ingredients in this to create a multitude of smaller molecules that can better penetrate the scalp for boosted efficacy and pH optimization of the scalp microbiome.
Best For
Scalp Type
dry
normal
oily
Hair Texture
straight
wavy
curly
coily
Concerns
oily scalp
preventative scalp care
Ingredients
Niacinamide (4%)
Topical vitamin B3 that balances scalp sebum levels
Hyper-Fermented Green Tea Blend (5%)
Molecular antioxidant that reduces oil production by 60% in 8 weeks
Bio-Fermented Astragalus (2%)
Anti-inflammatory properties to reduce irritation + promote hair follicle development
Full Ingredients
4% Niacinamide Oily Scalp Serum Full Ingredients
Aqua/Water/Eau, Pentylene Glycol, Propanediol, Niacinamide, Glycerin, Camellia Sinensis Leaf Extract, Lactitol, Xylitol, Sodium Gluconate, Sodium Hyaluronate, Lactic Acid, Caprylhydroxamic Acid, Saccharomyces Ferment Lysate Filtrate, Sodium Anisate, Hyaluronic Acid, Citric Acid, Astragalus Membranaceus Root Extract, Sodium Benzoate, Potassium Sorbate.
FAQ
Does the serum leave residue on your scalp and hair?
No. This is a lightweight serum that fully absorbs into the scalp once massaged in.
Can the serum be applied to wet or dry hair?
Yes. For optimal results, we recommend applying the serum after cleansing, on damp scalp as a leave-in treatment.
How often should Niacinamide Oily Scalp Serum be used?
We recommend applying the serum on wash day to control oil production and extend the time between washes. From there, you can continue to use daily or between washes for optimal results.
How to use Act+Acre 4% Niacinamide Oily Scalp Serum:
Apply on wash day to control oil production and extend the time between washes. Continue using daily or between washes for optimal results. Gently massage into the scalp and leave it on. The lightweight formula absorbs quickly.
Apply on wash day to control oil production and extend the time between washes. Continue using daily or between washes for optimal results. Gently massage into the scalp and leave it on. The lightweight formula absorbs quickly.
post wash
daily