HomeSerumsCOSRXThe Vitamin C 23 Serum

COSRX The Vitamin C 23 Serum

0.68 fl oz / 20ml
“Helps my pigmentation”— lisa m.
$25.00

In stock, ready to ship

For skin that already loves vitamin C and wants more. Built around 23% pure vitamin C, this serum lifts dullness for a brighter, more radiant look, fades the look of dark spots and softens fine lines. Vitamin E teams up with it, and hyaluronic acid and a touch of oil keep the formula comfortable. A strong morning step for glowing skin.

1

  • 100% authentic, sourced directly from Seoul, Korea.

  • Dispatched within 48 hours and tracked to your door.

  • All duties and customs fees included in the price.

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why it works.

  • A brighter, radiant look

    A concentrated dose of pure vitamin C lifts dullness, and dark spots look lighter.

  • Softer fine lines

    Pure vitamin C and super vitamin E team up to ease the look of fine lines and wrinkles with daily use.

  • Moisture locked in

    Hyaluronic acid holds moisture in and an oil layer adds comfort, so a strong serum still feels kind to skin.

every ingredient earns its place.

  • Vitamin C

    Ascorbic Acidat 23%, pure vitamin C that lifts dullness and lights up skin tone
    What it is
    Vitamin C, a brightening antioxidant for a fresher, more even-looking complexion.
    Keep apart from
    Retinoid
    Full entry
  • Vitamin E

    Tocotrienolsthe tocotrienol form of vitamin E, an antioxidant that works alongside the vitamin C
    What it is
    Vitamin E, an oil-soluble antioxidant from plant oils, used as tocopherol or its acetate form.
    Full entry
  • Glutathione

    helps the look of uneven, tired tone
    What it is
    An antioxidant your body makes, used topically in brightening formulas.
    Full entry
  • Panthenol

    adds soothing hydration while the vitamin C works
    What it is
    Panthenol and vitamin B5, a hydrating, comforting duo from the B vitamin family.
    Full entry

how to use.

Every morning, starting with a few mornings a week

  1. 01

    Smooth over cleansed, damp skin in the morning.

  2. 02

    Follow with your moisturizer and sunscreen.

the details.

Size
0.68 fl oz / 20ml
Ingredients

Water, Ascorbic Acid(23%), Propanediol, Dimethicone, Tromethamine, Panthenol, 3-O-Ethyl Ascorbic Acid, Squalane, Caffeine, Sodium Chloride, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Butylene Glycol, Arginine, Niacinamide, Pentylene Glycol, Alcohol Denat., Helianthus Annuus (Sunflower) Seed Oil, Glycyrrhiza Glabra (Licorice) Root Extract, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa (Carrot) Root Extract, Beta-Carotene

Shipping
ACI Express (DDP)5-10 business days

$14.99 flat shipping rate.

DDP (Delivery Duty Paid): For U.S. orders, all import duties, tariffs, taxes, and customs fees are included in our shipping price, so nothing is due on delivery.

About this information

Each description is written with AI from the brand’s own material: its official product page, packaging and published ingredient list. AI can make mistakes, so check the packaging if a detail matters to you. Read more about where our information comes from.

Specifications, packaging, formulas and manufacturer claims can change without notice. We keep this page as accurate and current as we can, but we cannot guarantee it, and the item you receive may differ from what is shown.

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12 verified reviews

what people are saying.

4.8
12 reviews
Write a review
5
4
3
2
1
lisa m Verified Buyer
4 months ago

Helps my pigmentation

It’s gold in a bottle

Would recommend
Shagun S Verified Buyer
6 months ago

Love the texture and...

Love the texture and feel of the serum.

Would recommend
Tincy T Verified Buyer
7 months ago

Very good product

Very good product

Would recommend
Edith O Verified Buyer
last year

Does what is says...

Does what is says

Would recommend
Norma M Verified Buyer
last year

Absolutely love this product,...

Absolutely love this product, the best serum ever

Would recommend
Sandra M Verified Buyer
last year

I love it leaves...

I love it leaves my skin feeling smooth,great product.

Would recommend

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