a promotional image of man holding zero blemish spot cream

IngredientSep 24, 2026

Azelaic Acid: The Ingredient Everyone's Talking About for Blemish, Redness, and Pigmentation Care

One of the Few Ingredients That Tackles Acne, Redness, and Pigmentation All at Once

Most blemish-care ingredients tend to excel at just one thing — great for acne but not much help with redness, or good for calming redness but not for fading marks. Azelaic Acid stands out because it's one of the rare ingredients that addresses all three at the same time.

• Acne & Inflammation: Its antibacterial and anti-inflammatory properties help address the root causes of breakouts while calming inflammation that's already surfaced.
• Redness: Soothes the lingering redness around blemishes, helping even out overall skin tone.
• Post-Blemish Marks: Supports fading of the marks left behind after a breakout, for a clearer, more even-looking complexion.

When skin is breaking out, it's easy to focus only on the acne itself and put off dealing with redness or dark marks. Azelaic Acid is valued precisely because it lets you address all of that at once.

Wear It Anytime, Anywhere — Even Over Makeup: No.0 Zero Blemish 3X Spot Correcting Cream

This cream delivers Azelaic Acid at a concentrated 16% complex, alongside 10% Niacinamide, well known for improving tone and texture. While Azelaic Acid works on blemishes, redness, and pigmentation from multiple angles, Niacinamide helps refine overall tone and texture — the two ingredients complementing each other beautifully. What really sets this cream apart is its flexibility: it can be applied anytime, anywhere — even right over makeup. The moment a blemish catches your eye, you can reach for it and touch it up on the spot, no fuss required. It's further formulated with colloidal sulfur, panthenol, zinc PCA, and ectoin to help calm targeted areas.

SHOP NOW

Pair It with the Toner Pads for Faster Calming

numbuzin also offers another product built around the same Azelaic Acid complex: the No.0 Zero Blemish Azela Cica Balancing Dual Pads. While the spot cream focuses on targeted care for individual blemishes, these dual pads work across the whole face to refresh and balance the skin's overall condition. Used together, the soothing effects of Azelaic Acid work in sync, helping blemishes calm down noticeably faster.

SHOP NOW

Backed by Clinical Testing

A 4-week human application test confirmed just how effective this combination can be:

• Blackheads improved by 23.64%
• Whiteheads improved by 29.20%
• Red, inflamed acne/papules improved by 68.84%
• Pustules improved by 88.24%
• Sebum secretion improved by 29.17%, and sebum secretion area improved by 31.04%

With visible improvement across blemishes, oiliness, and pore appearance, it's easy to see why Azelaic Acid has become one of the most talked-about ingredients in blemish care right now. The spot cream alone is enough for quick touch-ups, but for a more consistent routine, pairing it with the dual pads is well worth adding to your regimen.

No.0 Blemish-Prone

A complete acne-safe routine delivers gentle, purifying care to restore your skin back to its clearest, healthiest state

View all

newfree gift Free Shipping

Sensitive Skin 4-Step Essentials Reset

$65.60 USD

$82.00 USD

new

Zero Blemish Double Cleansing Duo for Sensitive Skin

$35.70 USD

$42.00 USD

new

Azelaic + Sulfur SOS Target Duo

$34.00 USD

$40.00 USD

new

No.0 Zero Blemish Clarifying 2% Sulfur Cleansing Foam

$18.90 USD

$21.00 USD

new

No.0 Zero Blemish Oil-Free Micellar Cleansing Jelly

$18.90 USD

$21.00 USD

new

No.0 Zero Blemish 3X Spot Correcting Cream

$21.60 USD

$24.00 USD

Model placing an eye cream on under eyes.

Press

No.9 is making waves in the U.S.

From a glow-enhancing sunscreen to a high-performance eye cream, No.9 combines NAD+ with proven skincare partners—such as peptides, collagen, panthenol, and retinol—to create simple, targeted routi...

Cart

Azelaic Acid: The Ingredient Everyone's Talking About for Blemish, Redness, and Pigmentation Care

One of the Few Ingredients That Tackles Acne, Redness, and Pigmentation All at Once

Backed by Clinical Testing

Glow with us!