Editor's pick$6–$10 · The Ordinary
The Ordinary Niacinamide 10% + Zinc 1%
The cult-favourite serum that does it all — for under $10
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Overview
The Ordinary's Niacinamide 10% + Zinc 1% is one of the best-selling serums on Amazon for good reason. At 10% niacinamide and 1% zinc, it visibly reduces pore size, controls oil, and evens skin tone — all in a lightweight, water-based formula that costs less than a coffee.
Key ingredients
Niacinamide (10%)
Reduces pore appearance, controls oil, brightens skin tone
Zinc PCA (1%)
Regulates sebum production, reduces breakouts
Tamarind Seed Extract
Lightweight hydration without clogging pores
What we like
- Fragrance-free and suitable for sensitive skin
- Visibly reduces pore size within 4–6 weeks
- Under $10 — one of the best value serums available
- Layers well under moisturizer and SPF
Worth knowing
- Results take 4–6 weeks of consistent use
- May cause flushing if combined with high-dose vitamin C
The verdict
If you only add one serum to your routine, make it this one. It's the most popular niacinamide serum on Amazon for a reason — it works, it's gentle, and it costs almost nothing.
