Niacinamide 10% + Zinc 1%
The Ordinary
Product Verdict Card
The Ordinary
Niacinamide 10% + Zinc 1%
serum
Consumer product research based on available product data, ingredients, pricing, and AI analysis. Not skin guidance.
Glow Score
Best signal in this set
Formula
Formula read is strongest around value; transparency signals are clear enough to compare.
Fit flags
Fit is the main watch item; review the ingredient list and compare similar serum options.
Value
85/100 score against $6 pricing creates a strong value signal.
Compare this against other serum products before buying — especially if price, texture, or ingredient fit matters for you.
Glow Index summary
AI skincare analysis for The Ordinary Niacinamide 10% + Zinc 1%
Glow Index analyzed The Ordinary Niacinamide 10% + Zinc 1% as a serum using a 4-model AI skincare research process. It currently scores 85/100, with the strongest signals coming from ingredient efficacy, value for money, safety profile.
Use this page as a product research snapshot: compare the formula/value signals, read the model reasoning, then review the broader serum rankings before deciding whether the product fits your preferences and budget.
Glow Index is a consumer research tool, not medical advice. Scores are based on product information and AI analysis of ingredients, pricing, evidence, and marketing claims. Patch test new products and consult a qualified professional for skin conditions or medical concerns.
Worth It
Our AI panel agrees this product delivers on its claims.
Quick Take
Buy it. A strong performer.
Pros
- 10% niacinamide operates more than double the minimum clinically studied dose for oil control and hyperpigmentation, making this one of the strongest OTC niacinamide serums available without a prescription.
- Zinc PCA in its fourth INCI position provides genuine sebum regulation and mild antibacterial support — a more bioavailable zinc form than zinc oxide used in cheaper formulations.
- At $6 for 30ml with disclosed active concentrations, this formula has no verified lower-cost equivalent — The Inkey List charges $8–9 and Paula's Choice charges $49 for comparable or lower active doses.
- 10 % niacinamide exceeds the clinically proven 5 % threshold, tackling oiliness, redness and hyperpigmentation.
Cons
- A consistent minority of users report new breakouts or pilling, likely triggered by the carrageenan, xanthan gum, and tamarind seed gum thickener system rather than the actives — patch test first if you have had gel-serum texture reactions before.
- The 10% concentration, while well-tolerated by most, does produce flushing, stinging, or irritation in users with reactive or sensitized skin — start with once-daily application to assess tolerance.
- Multiple INCI versions have been observed across global retailers and cosmetic databases, suggesting possible silent regional reformulations — verify the label on your specific bottle before use.
- Minor reports of flushing or breakouts in niacinamide-reactive skin; patch testing advised
Budget Alternative
Already the budget leader — no meaningful alternative exists at lower price.
Score Breakdown
How Each AI Scored
AI Consensus
Strong agreement4 AI models independently scored this product, then cross-checked each other’s reasoning. Tap a model to see its take.
FAQ
What does Glow Index measure for The Ordinary Niacinamide 10% + Zinc 1%?
Glow Index evaluates non-medical skincare research signals: ingredient efficacy, safety profile, value for money, formula transparency, skin compatibility, and sensory usability.
Is this a medical recommendation?
No. Glow Index is not medical advice, not a diagnosis, and not a treatment recommendation. It is a consumer research layer for comparing skincare products and marketing claims.
Why does Glow Index use multiple AI models?
Multiple models reduce single-model bias. Glow Index surfaces consensus and disagreement instead of relying on one AI answer or brand marketing copy.