Trusted by 10,000+ Customers in Australia
Cosrx demand is at an all-time high We're experiencing an unusually high volume of orders. Shop now to secure your favorites →
Cosrx

Cosrx the Niacinamide 15

Cosrx the Niacinamide 15 is a high-strength serum that targets blemishes, excess oil, and uneven tone for a visibly clearer complexion.

A$ 48.00A$ 74.00 Save 35%

Cosrx the Niacinamide 15 is a high-strength serum that targets blemishes, excess oil, and uneven tone for a visibly clearer complexion.

100% Authentic ยท Free shipping over A$ 100.00

  • Direct from authorized distributors
  • Sealed original packaging โ€” batch code visible
  • Verify your batch number with Cosrx
  • 2ร— money-back guarantee if not authentic
How to use
- After cleansing, apply toner if desired. - Dispense 2โ€“3 drops of serum onto clean, dry skin. - Gently spread over face, focusing on oily zones and blemish-prone areas. - Allow to absorb, then follow with moisturizer. - Finish with broad-spectrum sunscreen in the morning. Use once daily, then build to twice daily as tolerated.
Key ingredients
- Niacinamide 15%: Refines the look of pores, balances sebum, and improves uneven tone - Zinc PCA: Helps regulate oil and calms the feel of stressed skin - Allantoin: Soothes sensitivity and supports comfortable wear - Panthenol (Pro-Vitamin B5): Reinforces moisture retention for a supple finish - N-Acetyl Glucosamine: Team player with niacinamide to smooth texture and brighten the look of spots
Key benefits
- Helps reduce the look of active breakouts and post-blemish marks - Visibly minimizes the appearance of pores and shine - Promotes a more balanced, even-toned complexion - Lightweight, fast-absorbing texture layers well under sunscreen and makeup - Supports a stronger-looking skin barrier with daily use
Transparent pricing

Why are we 35% cheaper than others?

We're not a typical retailer โ€” we're a parallel importer.

  • We buy directly from authorized Cosrx distributors in bulk
  • We skip the middleman markup that retail stores add
  • Same authentic products, same batch codes, same manufacturer warranty โ€” just without the retail premium
  • Every product comes with a batch code you can verify with Cosrx

We're transparent because we have nothing to hide.

  • ๐Ÿ“ฆ Ships from our Australia warehouse via FedEx/UPS
  • ๐Ÿšš 2โ€“3 day express delivery
  • ๐Ÿ“ Tracking number sent within 24 hours
  • ๐Ÿ‡ฆ๐Ÿ‡บ No customs, no duties, no surprises
Learn More
Secure checkout โ€” we accept
VISA AMEX  Pay

Top Picks

โˆ’36% Cosrx Acne Pimple Master Patch 24 patches
Cosrx
Cosrx Acne Pimple Master Patch 24 patches
A$ 9.00 A$ 14.00
โˆ’35% Cosrx The AHA BHA PHA LHA 35 Peel 30ml
Cosrx
Cosrx The AHA BHA PHA LHA 35 Peel 30ml
A$ 35.00 A$ 54.00
โˆ’19% Cosrx The Peptide Collagen Hydrogel Eye Patch 85g
Cosrx
Cosrx The Peptide Collagen Hydrogel Eye Patch 85g
A$ 60.00 A$ 74.00
โˆ’13% Cosrx The Retinol 0.1 Cream 20ml
Cosrx
Cosrx The Retinol 0.1 Cream 20ml
A$ 52.00 A$ 60.00
โˆ’27% Cosrx The Retinol 0.3 Cream 20ml
Cosrx
Cosrx The Retinol 0.3 Cream 20ml
A$ 54.00 A$ 74.00
โˆ’25% Cosrx The Vitamin C 13 Serum 20ml
Cosrx
Cosrx The Vitamin C 13 Serum 20ml
A$ 52.00 A$ 69.00
โˆ’16% Cosrx Two in One Poreless Power Liquid 100ml
Cosrx
Cosrx Two in One Poreless Power Liquid 100ml
A$ 62.00 A$ 74.00
โˆ’20% Cosrx Ultimate Nourishing Rice Overnight Spa Mask 60ML
Cosrx
Cosrx Ultimate Nourishing Rice Overnight Spa Mask 60ML
A$ 48.00 A$ 60.00
โˆ’26% Cosrx Ultra-Light Invisible Sunscreen SPF50 PA++++ 50ml
Cosrx
Cosrx Ultra-Light Invisible Sunscreen SPF50 PA++++ 50ml
A$ 48.00 A$ 65.00
โˆ’28% Cosrx Vitamin E Vitalizing Sunscreen 50ml
Cosrx
Cosrx Vitamin E Vitalizing Sunscreen 50ml
A$ 52.00 A$ 72.00
โˆ’20% Cosrx OSRX Advanced Snail Mucin Power Gel Cleanser 150ml
โˆ’22% Cosrx Hyaluronic Acid Hydra Power Essence 100ml
Cosrx
Cosrx Hyaluronic Acid Hydra Power Essence 100ml
A$ 42.00 A$ 54.00