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COSRX The Vitamin C 23 Serum

COSRX The Vitamin C 23 Serum

Regular price £17.47 GBP
Regular price Sale price £17.47 GBP
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Product details

Brand
COSRX
Size
20g
Item form
Serum
Texture & finish
Lightweight; sinks in quickly without stickiness
Product benefits
Brightens, fades dark spots, supports natural collagen
Active ingredients
Ascorbic acid (pure vitamin C) 23%, Vitamin E, Sodium hyaluronate
Special ingredients
Panthenol, allantoin, squalane
When to use
AM before sunscreen (or PM); 3-4 drops on damp skin
Claims
Cruelty Free, SCPN Notified, CPNP Notified
Made in
Made in Korea

About this item

  • High-strength brightening: 23% pure vitamin C works to fade dark spots and post-breakout marks and even out skin tone.
  • Cushioned for comfort: panthenol and allantoin help skin feel comfortable while the vitamin C gets to work.
  • Antioxidant shield: vitamins C and E team up against daily stress from sun and pollution.
  • Moisture built in: sodium hyaluronate and squalane lock in hydration so skin stays soft, never greasy.
  • Best in the morning: shake, pat 3-4 drops onto clean, slightly damp skin, wait a minute, then moisturiser and sunscreen; store the dark bottle somewhere cool.
£17.47(£87.35/100g)

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  • Cruelty Free
  • Made in Korea
  • SCPN Notified
  • CPNP Notified

Description

COSRX The Vitamin C 23 Serum brings a gentle glow to your skin with powerful yet kind ingredients. This brightening serum combines 23% pure vitamin C with soothing helpers like panthenol and squalane. Perfect for anyone looking to even out their skin tone, fade dark spots, or simply add more radiance to their daily routine. The lightweight formula sinks in quickly without feeling sticky, making it easy to add to your morning or night skincare steps. Give your skin the gift of calm, clear brightness with this trusted serum that works hard but feels gentle.

What Makes This Vitamin C Serum Special

This serum stands out because it uses a strong yet caring formula with 23% vitamin C to help your skin look its best. Unlike other vitamin C products that can feel harsh, COSRX has added gentle ingredients like panthenol and allantoin to help your skin feel comfortable. The formula works to brighten your skin tone, fade dark spots, and give your face a fresh, awake look.

The serum comes in a dark bottle that helps keep the vitamin C fresh and strong. With each drop, you're giving your skin a boost of goodness that works right away for a healthy glow and keeps working over time for lasting results. The lightweight feel means it won't weigh down your skin or feel greasy as you go about your day.

How This Serum Helps Your Skin

This gentle yet strong serum helps your skin in many ways. First, it brings back your natural glow by evening out your skin tone. The vitamin C works to fade dark spots and marks left from breakouts, helping your skin look clear and bright. It also helps keep your skin looking young by supporting your skin's natural collagen.

Beyond just making your skin look good, this serum also helps protect it. The mix of vitamins C and E works like a shield against daily stress from things like sun and pollution. Plus, it keeps your skin feeling soft with sodium hyaluronate and squalane that lock in moisture. Here's what you can look forward to:

  • Brighter, more even skin tone
  • Less noticeable dark spots
  • Smoother skin texture
  • Added moisture without feeling greasy
  • Protection from daily skin stressors

How to Make the Most of Your Serum

Using this serum is simple, but a few tips will help you get the best results. First, give the bottle a gentle shake before you use it. Then, put 3-4 drops on your fingertips and pat it onto clean, slightly damp skin. This helps it sink in better. Wait a minute or two before you add your moisturizer on top.

For the best results, use this serum in the morning after you wash your face but before your sunscreen. If you have time for just one skincare step in the morning, make it this serum and your sunscreen! You can also use it at night if you prefer. Just make sure to store the bottle in a cool, dark place - the fridge is perfect in warm weather. This keeps the vitamin C fresh and working its best for you.

Why People Love This Serum

People keep coming back to this serum because it really works. Within just a few weeks, most users see their skin looking brighter and more even. Dark spots fade, and skin feels smoother to the touch. The formula is made without common irritants like parabens, sulfates, and strong scents, making it a good match for most skin types.

  • Works well for oily, combination, and normal skin
  • Shows real results within 4 weeks
  • Free from harsh ingredients
  • Doesn't feel sticky or heavy
  • A little goes a long way - one bottle lasts 2-3 months

COSRX has created a serum that strikes the right balance between powerful and gentle. It gives you the vitamin C benefits you want without the harsh feel that can come with other high-strength formulas.

Who Will Love This Vitamin C Serum

If you're looking for a way to bring back your skin's natural glow, this serum is for you. It works well for most people between 18-45 who want brighter, more even-toned skin. Whether you're dealing with marks from past breakouts or just want to keep your skin looking fresh and young, this can be your go-to helper.

This serum is best for normal, combination, or oily skin types. If you have very sensitive skin, you might want to start slow - using it every other day until your skin gets used to it. The lightweight feel makes it perfect for those who don't like heavy products that sit on the skin. And if you're someone who values cruelty-free, clean beauty, you'll be happy to know this serum ticks those boxes too.

Ready to see your skin glow with newfound brightness? Add COSRX The Vitamin C 23 Serum to your daily routine and watch as your skin transforms day by day. Your journey to clear, radiant skin is just a drop away. Treat yourself to this gentle yet powerful boost - your skin will thank you with a healthy, happy glow!


Disclaimer: Packaging and product images may be updated by the manufacturer without notice. The item you receive may differ in appearance from the images shown, and colours may vary slightly between screens.

How to Use

Shake gently before use. Apply 3-4 drops on damp skin after toner, focusing on areas with hyperpigmentation, redness, or dehydration. Follow with moisturizer and SPF in the morning. In the evening, double cleanse, optionally exfoliate 1-2 times a week, then apply serum and moisturizer. Store in a cool, dark place below 25°C; refrigeration is recommended in warm climates to maintain stability. The product typically lasts 2-3 months with daily use of the 20ml bottle. For best results, incorporate into your routine consistently—use in the AM routine after toner and before SPF, and in the PM routine after cleansing and before moisturizer. Avoid mixing with niacinamide in the same phase or high pH products to prevent degradation. Suitable for combination, oily, aging, and dull skin types, primarily targeting ages 18-45. Use during cooler months or refrigerate for summer use to prevent oxidation and ensure optimal efficacy.

Ingredients

Ingredients List

Water, Ascorbic Acid 23%, Propanediol, Dimethicone, Tromethamine, Panthenol, Ethyl Ascorbyl Ether, Squalane, Caffeine, Sodium Hyaluronate, Glutathione, Niacinamide, Allantoin, Gardenia Florida Fruit Extract, Vitamin E (Tocotrienols/Tocopherol), Licorice Root Extract

Key Ingredients

Ascorbic Acid (23%), Vitamin E, Sodium Hyaluronate

Disclaimer: Ingredients may be updated by the manufacturer without notice. For the most current and accurate list, always refer to the product packaging.