The Ordinary Niacinamide 10% + Zinc 1% — Efficacy 3.6/5.0, Safety 4.4/5.0 | DemythSkin
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[ DemythSkin Verdict ]
The Ordinary Niacinamide 10% + Zinc 1%

The Ordinary Niacinamide 10% + Zinc 1%

SerumAcne / Oil Control
Efficacy
Solid
3.6 / 5.0
Safety
Safe
4.4 / 5.0
System Verdict
This is a clinically solid niacinamide workhorse, but the 10% level pushes it into the ‘effective yet potentially irritating’ zone for sensitive or compromised skin. The formula is extremely lean and functional, with niacinamide and zinc PCA sitting high in the INCI and supported by penetration-enhancing solvents, so the efficacy for oil control, pore appearance and mild brightening is genuinely strong (S Tier actives) — however, the very high niacinamide load and simple watery base mean no cushioning barrier lipids, so reactive or already-inflamed skin can find this too aggressive, which keeps its overall efficacy score below elite, more balanced formulations.
Active Ingredients Detected
A Tier: Good BasicsProven Results
Aqua (Water)Niacinamide
B Tier: Supporting IngredientsPromising Ingredients
Pentylene GlycolZinc PCADimethyl IsosorbideTamarindus Indica Seed GumXanthan GumIsoceteth-20EthoxydiglycolPhenoxyethanol
D Tier: Potential IrritantsBe Cautious
Chlorphenesin
Analyze on DemythSkin

DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.