What visible concerns is this serum intended to target?

It is intended to minimize and brighten the appearance of enlarged, dark-looking pores while reducing the look of excess oil.

Where does this serum go in my routine?

Use it after toner. Apply an appropriate amount evenly over your face, then gently pat to encourage absorption.

How often should I use it when first introducing it?

Start a couple of times per week, then gradually increase the frequency as your skin adjusts.

Can I apply it in the morning?

Yes. If you apply it during your morning routine, wear SPF.

Should I patch test this high-niacinamide serum?

Yes. Patch test before use, then introduce the serum gradually as your skin adjusts.

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TIAM

Pore Minimizing 21 Serum

Q: What does it mean if I notice sediment near the bottle neck or bottom?

Sediment can occur because of the high niacinamide concentration. The serum remains usable.

What it is: A facial serum with 20% niacinamide and 1% Zinc PCA that helps improve the look of enlarged, dark-looking pores and excess oil.

Refines the look of enlarged pores
Helps reduce the look of excess oil
Brightens dark-looking pores
20% niacinamide + 1% Zinc PCA

Net weight: 40 ml (1.35 fl oz)

Pore Minimizing 21 Serum

40ml ·$14.99 USD

Refines the look of enlarged pores

Helps reduce the look of excess oil

Brightens dark-looking pores

20% niacinamide + 1% Zinc PCA

Main active: No primary active
Intensity: Supportive

PRODUCT DETAILS

Hello, focused pore care. Pore Minimizing 21 Serum is a facial serum for the look of enlarged, dark-looking pores and excess oil. Its purpose is simple: targeted cosmetic care for pores and shine.

With 20% niacinamide and 1% Zinc PCA, it helps enlarged pores look less noticeable and brightens dark-looking pores. It is also intended to help reduce the look of excess oil, making the formula a considered choice when visible pores and shine are your main focus.

The featured active levels are clearly disclosed, so you know exactly what you are choosing. You may notice sediment around the bottle neck or bottom because of the high niacinamide concentration; the serum remains usable.

Learn more

GOES WELL WITH

2X Fresh Bam Balm To Foam$24.99 USD

30 Seconds Quick Bubble Mask LIFT$28.99 USD

5α Control Clearing Cream$31.99 USD

AC BHA Foam Cleansing$16.99 USD

100 Reedle Shot Stick Pouch$8.09 USD

1025 Dokdo Cleanser$11.99 USD

1025 Dokdo Eye Cream$22.99 USD

1025 Dokdo Lotion$14.99 USD

Focused care for visible pores, excess oil and dark-looking pores, led by disclosed levels of niacinamide and Zinc PCA.

Refines the look of pores
Helps reduce visible shine
Brightens dark-looking pores

Key Ingredients

Niacinamide

Helps visibly brighten uneven tone and support the skin barrier.

A clear glass spoon holding pale powder, surrounded by translucent peach, blush and sage sculptural folds and glossy droplets on ivory.

Zinc PCA

A skin-conditioning zinc salt that supports light hydration while helping oily, blemish-prone skin look less shiny.

Abstract sculptural ribbons in translucent water-clear, pale sage-gray, and warm bark-brown tones curl into a rounded form above an ivory surface, with suspended droplets and a мяг

Salix Alba (Willow) Bark Water

A botanical bark water that gently lifts excess sebum and dead skin cells, helping pores look clearer while skin feels balanced and comfortable.

Clear hydrogel spheres and droplets on a pale lilac background.

Hyaluronic Acid

Helps hydrate and visibly plump the skin.

Three oversized translucent, softly faceted glass crystals arranged on a pale lavender stage above a blush background with a small coral accent.

Allantoin

Helps soothe and soften dry, rough-feeling skin.

Small black glass dropper bottle centered on a pale mint square background.

Concerns & Benefits

Your Concerns

1
Visible Pores
For when enlarged-looking pores draw more attention than you would like.
2
Excess Oil
For when excess oil leaves your complexion looking shinier than you would like.
3

How To Use

1Before using the serum on your face, patch test it.
2After toning, apply an appropriate amount evenly over your face.
3Gently pat your skin to encourage absorption.
4Begin with a couple of applications per week, then gradually increase the frequency as your skin adjusts.
5If you use the serum in the morning, finish your routine with SPF.

Frequently asked questions

What percentages of niacinamide and Zinc PCA does this serum contain?

It contains 20% niacinamide and 1% Zinc PCA.

Keep learning

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TIAM Pore Minimizing 21 Serum | 20% Niacinamide

TIAM

Pore Minimizing 21 Serum

What it is: A facial serum with 20% niacinamide and 1% Zinc PCA that helps improve the look of enlarged, dark-looking pores and excess oil.

Refines the look of enlarged pores
Helps reduce the look of excess oil
Brightens dark-looking pores
20% niacinamide + 1% Zinc PCA

Net weight: 40 ml (1.35 fl oz)

Pore Minimizing 21 Serum

40ml ·$14.99 USD

Refines the look of enlarged pores

Helps reduce the look of excess oil

Brightens dark-looking pores

20% niacinamide + 1% Zinc PCA

Main active: No primary active
Intensity: Supportive

PRODUCT DETAILS

Hello, focused pore care. Pore Minimizing 21 Serum is a facial serum for the look of enlarged, dark-looking pores and excess oil. Its purpose is simple: targeted cosmetic care for pores and shine.

Learn more

GOES WELL WITH

2X Fresh Bam Balm To Foam$24.99 USD

30 Seconds Quick Bubble Mask LIFT$28.99 USD

5α Control Clearing Cream$31.99 USD

AC BHA Foam Cleansing$16.99 USD

100 Reedle Shot Stick Pouch$8.09 USD

1025 Dokdo Cleanser$11.99 USD

1025 Dokdo Eye Cream$22.99 USD

1025 Dokdo Lotion$14.99 USD

Focused care for visible pores, excess oil and dark-looking pores, led by disclosed levels of niacinamide and Zinc PCA.

Refines the look of pores
Helps reduce visible shine
Brightens dark-looking pores