How Niacinamide & Zinc in The Ordinary Serum Calms Skin

Ingredient Science
This cult serum’s power duo tackles oil, pores, and redness with clinical precision—here’s the science behind why it works.
Expert Analysis · Honest Reviews · Real Results
1.🔬The Oil-Control Duo

My forehead was a grease slick by noon. I was over it.

This serum doesn’t just blot oil—it tells your skin to produce less. A total regime change.

2.⚗️The Vitals

A $6.80 serum from The Ordinary. They claim “visible shine and blemish control.” I needed proof.

1

10% Niacinamide

A high, clinical dose of the calming vitamin.

2

1% Zinc PCA

The mineral that dials down oil production.

3

No Nonsense

It feels like a lab formula—because it is.

white and blue plastic bottles

Photo: Angelina / Unsplash

3.🧪Ingredient Decoder

Two stars, zero filler. Niacinamide strengthens your barrier. Zinc is the bouncer for excess sebum.

  • Niacinamide (10%): Reduces redness and evens tone
  • Zinc PCA (1%): Regulates oil output
  • Tamarinus Indica Seed Gum: The gel texture base
  • Pentylene Glycol: Lightweight hydration
woman putting makeup in front of mirror

Photo: kevin laminto / Unsplash

4.📊The Feel & The Real

Clear, slightly sticky gel. Absorbs in 20 seconds—leaves a faint, velvety grip.

The surprise? It didn’t dry me out. My skin just felt… quiet. Less reactive.

💡

One Thing: Use a pea-sized amount for your whole face. More = pilling city.
a person holding a bottle

Photo: Laura Jaeger / Unsplash

5.The Results

Shine cut by 70%. Pores look tighter because they’re empty. Redness? Faded. Didn’t erase deep wrinkles—not its job.

Buy if
You have oily, combo, or blemish-prone skin with surface redness.
⏭️

Skip if
Your skin is very dry or you hate any texture beyond water.
💰

Worth it?
Absurdly. The price for these results is a joke.
makeup brush lot

Photo: freestocks / Unsplash

6.🤔Final Call

It’s a brilliantly targeted tool, not a magic potion. For what it does, it’s nearly perfect.

9.0/10
Clinical efficacy at a drugstore price.
🛍️

Where to Buy: Sephora or the brand site. Buy the 30ml first to test the texture.