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Act+Acre 4% Niacinamide Scalp Serum For Oily Scalp + Hair scores 7.2/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
Humectant with antimicrobial properties
Draws in moisture
Vitamin B3 that brightens and strengthens skin barrier
Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: June 2026
Act+Acre 4% Niacinamide Scalp Serum For Oily Scalp + Hair is a solid serum with an overall score of 7.2/9.8. it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Pentylene Glycol, Propanediol, Niacinamide — ingredients that support the skin barrier and moisture levels.
It performs well on low irritation risk (9.5).
Great for
Draws in moisture — #2 in the INCI list
Draws in moisture — #3 in the INCI list
Works on your skin — #4 in the INCI list
Draws in moisture — #5 in the INCI list
Works on your skin — #6 in the INCI list
15 ingredients — listed in INCI order (highest concentration first)
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.