HAPPY FATHER'S DAY
20% OFF*

COUPON CODE: DAD26

The Vitamin C 23 Serum

CAD $32.00

Out of stock

Experience the rejuvenating effects of the COSRX Vitamin C 23 Serum, a hypoallergenic brightening booster that tackles early signs of aging. With 23% pure vitamin C, this potent serum targets pigmentation, evens skin tone, boosts radiance, and improves elasticity and pore appearance for a youthful glow.

CRXS01 Category:
SHARE

Skincare Routine Steps

STEP 4
MASK
(NIGHT TIME)
STEP 5
SERUM
STEP 6
EYE CREAM
Serums are crucial in skincare for targeting specific concerns with potent actives. These highly concentrated formulas penetrate deeply, improving skin tone, texture, and health. By addressing issues like aging, pigmentation, or acne, serums enhance your routine and promote a radiant complexion.

How to use?

  1. Cleanse your face thoroughly to remove dirt, oil, and makeup.
  2. Apply a toner or essence if you use one, to prepare your skin for the serum.
  3. Dispense a few drops of serum onto your fingertips or the palm of your hand.
  4. Gently apply the serum to your face and neck, using an upward and outward motion, ensuring even coverage.
  5. Allow the serum to absorb fully into your skin before applying additional products, such as an emulsion, moisturizer, or sunscreen.

Serums can be used once or twice daily, depending on your skin type, the specific serum, and your personal preference. Some serums may be more suitable for use during the day, while others, like those containing retinol, are better for nighttime application. Always follow the instructions on the product label for the best results.

Specifications

Allergy Advice

Personal care products may cause allergies. Know your sensitivities and avoid allergens. Always check the ingredient list and avoid suspected allergens.

Ingredients

, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Ingredients Disclaimer

Please be advised that ingredient lists may change or vary slightly from time to time. For the most up to date ingredient list, please refer to the product packaging.

Made In

Size

20 ml

Usage Instructions

External use only. Avoid eye contact. Rinse eyes if exposed. Stop use if irritation occurs. Consult a doctor. Keep away from children.

Reviews (0)

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

ABOUT THE BRAND
COSRX is a Korean skincare brand renowned for its minimalist, effective, and affordable products. With a focus on science-backed formulations and natural ingredients, COSRX offers a range of solutions for all skin types, including acne-prone and sensitive skin. With a loyal following of beauty enthusiasts worldwide, COSRX is dedicated to providing accessible and transformative skincare solutions that deliver visible results.
TOP
SHOPPING BAG 0
RECENTLY VIEWED 5

From May 15, 2026 (12:00 AM EST) to June 21, 2026 (11:59 PM EST), enjoy 20% off your purchase. Just enter code DAD26 at checkout. Offer can’t be combined with other discounts, used on gift cards, or applied to past purchases. Some selected items and brands are excluded, including Birkenstock, Fjällräven,  Ganni, Mackage, Mansur Gavriel, Pajar, Sorel, Veja, and others. Items marked FINAL SALE cannot be returned, exchanged, or adjusted. Offer may change or end at any time. Other exclusions may apply. See our terms & conditions for full details.

Store Hours

MONDAY
TUESDAY
WEDNESDAY
THURSDAY
FRIDAY
SATURDAY
SUNDAY

11AM – 7PM
11AM – 7PM
11AM – 7PM
11AM – 7PM
11AM – 8PM
12PM – 8PM
12PM – 7PM