• COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
  • COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
  • COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
  • COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
  • COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
  • COSRX - The Vitamin C 13 Serum 20ML - AU Beauty Bazaar
BEST SELLER
COSRX

COSRX - The Vitamin C 13 Serum 20ML

$30.00 AUD
$30.00 AUD
Sale Sold out
Targets Skin Concerns
Concentrated care for a healthier-looking complexion.
Lightweight Texture
Absorbs easily without feeling heavy.
Hydrates & Smooths
Helps skin feel softer, fresher and more balanced.
Easy Daily Routine Step
Perfect before moisturizer, morning or night.

Free standard shipping on orders $60+ · Express $15.99 (or $8 on orders $60+)

  • 100% Genuine
    Sourced from Korea.
    Sourced from Korea.
  • Sydney dispatch
    Orders processed in 1–2 business days.
    Orders processed in 1–2 business days.
  • Rewards program
    Earn points on every order.
    Earn points on every order.
  • 90 day easy returns
    Hassle-free returns for peace of mind.
    Hassle-free returns for peace of mind.

COSRX The Vitamin C 13 Serum is a brightening antioxidant serum with 13% pure vitamin C to fade dark spots, even skin tone, and protect from free radicals.

🌟 Key Benefits

  • Brightens dull complexion.

  • Reduces hyperpigmentation and spots.

  • Provides antioxidant protection.

✨ Star Ingredients

  • Pure Vitamin C (13%) – evens tone and boosts radiance.

  • Tocotrienols – antioxidant synergy.

  • Hyaluronic Acid – hydrates and plumps.

💧 Skin Type
Suitable for dull and uneven skin tone.


Apply a moderate amount of serum to the skin and gently massage for better absorption.

KEY ACTIVES

FULL INGREDIENTS LIST
Water, Ascorbic Acid(13%), Butylene Glycol, Dipropylene Glycol, Tromethamine, 3-0-Ethyl Ascorbic Acid, Panthenol, Acetyl Glucosamine, Caffeine, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Squalane, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glycyrrhiza Glabra (Licorice) Root Extract

Product info can change. Always check the packaging for the latest ingredients, warnings, and directions before use.

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Questions

Is this authentic?

Yes. Every product is sourced as an official stockist and ships sealed from our Sydney warehouse, with verifiable batch codes.

How fast is shipping?

Orders are processed within 1–2 business days (excluding weekends and public holidays) and ship from Sydney. Standard shipping is free on orders $60+ ($10.50 under $60). Express is $15.99, or $8 on orders $60+.

How do I use this?

Follow the directions in the product description and on the pack. If your skin is sensitive, patch test on a small area first and stop using it if irritation occurs.

How often should I use these?

Morning and night for most skin. If your skin is sensitive, start once a day and build up.