Does Niacinamide Really Reduce Pores? We Tested The Ordinary Serum

Myth Busted
This viral serum promises to shrink pores, but does the science back up the hype?
Expert Analysis · Honest Reviews · Real Results
1.🔬Pore Shrinkage, Debunked

Let’s be real. You can’t physically shrink a pore.

They don’t have muscles. But you can make them *look* smaller — and that’s where this serum from The Ordinary comes in. The goal is less “tiny hole” and more “clean, tight-looking tube.”

2.The Viral Promise

It’s $6.80. The claim? Visibly reduce blemishes and congestion for clearer, more even skin. I tried it because my nose looked like a strawberry.

1

Niacinamide 10%

A mega-dose of the pore-refining vitamin.

2

Zinc 1%

Tackles excess oil without turning you into a desert.

3

The Price

Cheaper than your morning latte.

black and white labeled box

Photo: Karly Jones / Unsplash

3.🧪What’s In The Bottle

It’s a two-ingredient show. Niacinamide (Vitamin B3) regulates oil and smoothes texture. Zinc PCA helps control shine.

  • Niacinamide: Regulates sebum, calms inflammation
  • Zinc PCA: Mattifies, aids healing
  • Tamarinus Indica Seed Gum: The slimy texture base
  • Pentylene Glycol: Lightweight hydration
white and gray round plastic container

Photo: Poko Skincare / Unsplash

4.👁️The Sticky Truth

Texture is weird — like slightly sticky water. Absorbs in 15 seconds if your skin is bone-dry. Wait for it to sink in before anything else.

Week 3: My t-zone was less of an oil slick by 2 PM. Unexpected win? My foundation stopped sliding off my nose.

💡

One Thing: Apply to COMPLETELY dry skin. Damp skin makes it pill like crazy.
man wearing mud mask

Photo: Rosa Rafael / Unsplash

5.📉Did It Actually Work?

Pores look tighter because they’re cleaner and less stretched with oil. Actual size? Unchanged. But the visual difference is legit.

Buy if
You’re oily or combo with visible congestion.
⏭️

Skip if
You have dry, sensitive, or eczema-prone skin — this will irritate.
💰

Worth it?
For under $7? An undeniable yes for the right person.
silhouette of boat on sea during sunset

Photo: Klemen Kuster / Unsplash

6.The Final Word

It’s not magic. It’s science. Manages oil so pores appear minimized — and for the price, it’s a no-brainer experiment.

8.0/10
A cheap, effective oil regulator.
🛍️

Where to Buy: Sephora or the brand site. Buy the small size first to test the texture.