Does Niacinamide Really Cause Pilling? We Test a Viral Serum

Myth Busted
We put the internet’s most debated serum to the test to see if the pilling rumors are a user error or a formula flaw.
Expert Analysis · Honest Reviews · Real Results
1.🧪The Pilling Police

My bathroom sink looked like I’d exfoliated with a cheap sweater. Flakes everywhere.

The real issue? It’s not the serum—it’s what you put on before it. Layer wrong and this stuff turns to eraser shavings.

2.The Suspect

The Ordinary’s 10% Niacinamide + 1% Zinc Serum. $6.80. The internet claims it pills like crazy. I had to see if the formula was guilty.

1

Price

Shockingly cheap for the concentration.

2

Packaging

Glass dropper — feels clinical, not luxurious.

3

Claim

Oil control and clarity. No mention of potential flakiness.

a glass bottle with water splashing

Photo: Lora Seis / Unsplash

3.🔍What’s Inside

It’s a no-frills, high-dose formula. 10% Niacinamide is a serious dose for pores and pigmentation. The 1% Zinc is for oil.

That’s it. No soothing agents to cushion the blow.

  • Niacinamide (10%): Tackles excess oil & uneven tone
  • Zinc PCA (1%): Mattifies & regulates sebum
  • Tamarinind Seed Extract: A natural polymer (the pilling suspect)
  • Water: Simple base
white ceramic mug on white tissue paper

Photo: Poko Skincare / Unsplash

4.💡The Feel Test

Watery, slightly sticky. Absorbs in 15 seconds leaving a taut, matte finish. Not hydrating at all.

Surprise: Used alone on damp skin? Zero pilling. The moment I layered a rich moisturizer over it — disaster. It’s a texture snob.

💡

One Thing: Apply to damp, bare skin. Wait a full 90 seconds before anything else. Non-negotiable.
woman in white tank top

Photo: Fleur Kaan / Unsplash

5.Did It Work?

My midday shine vanished by day 4. One stubborn chin breakout calmed faster. Zero brightening for my old sun spots, though.

Buy if
You’re oily, acne-prone, and your routine is simple.
⏭️

Skip if
You love layering serums or use thick creams. It will fight you.
💰

Worth it?
For $7, the oil control alone is a win. Manage your expectations.
black and brown makeup palette on white textile

Photo: Laura Chouette / Unsplash

6.📋Final Call

The pilling is a user error, but the formula is unforgiving. It’s a brilliant, bratty product that works if you follow its rules.

7.5/10
Effective but annoyingly fussy.
🛍️

Where to Buy: The Ordinary website or Sephora. Buy the small size first to test your layering skills.