COSRX The Vitamin C 23 Serum 20ml

$19.34
Delivers concentrated actives deep into the skin Targets specific concerns with a lightweight, fast-absorbing formula Helps improve skin texture and tone with consistent use

Fighting against Skin Aging!

For all skin types dealing with fine lines and wrinkles: COSRX's serum with Vitamin C works from within to deliver delivers concentrated actives deep into the skin, not just temporary comfort.
Delivery checked at checkout

Availability varies by destination

Vitamin C: neutralizes free radicals and inhibits melanin production for brighter, more protected skin
COSRX The Vitamin C 23 Serum 20ml
COSRX The Vitamin C 23 Serum 20ml Default Title
$19.34
Ingredient-focused product details Clear use directions Full INCI when available Delivery confirmed at checkout

Build your bundle

Build Your Bundle

Your bundle, built around your choices.

Loading your bundle builder...

Vitamin C

Vitamin C (L-ascorbic acid) donates electrons to neutralize free radicals before they can damage collagen fibers and DNA. In this serum, Vitamin C targets fine lines and wrinkles, delivering delivers concentrated actives deep into the skin with consistent use.

Vitamin C
neutralizes free radicals and inhibits melanin production for brighter, more protected skin
Texture

Lightweight, absorbing

All Skin Types
Hover the swatch: it ripples like water

How to use

Close the cap tightly after use.
Full transparency

Ingredients

Pearl powder in a cream shadow base that sets with a waterproof finish.

Vitamin C (L-ascorbic acid) donates electrons to neutralize free radicals before they can damage collagen fibers and DNA. In this serum, Vitamin C targets fine lines and wrinkles, delivering delivers concentrated actives deep into the skin with consistent use.

The detail

Specs & details

FormatLightweight serum
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Before you add to cart

Questions & answers

After cleansing and toning, before moisturizer. Serums deliver actives most effectively on freshly prepped skin.
Yes. Apply from thinnest to thickest consistency and allow each layer to absorb before the next.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers concentrated actives deep into the skin, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with all skin types dealing with fine lines and wrinkles. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Vitamin C neutralizes free radicals and inhibits melanin production for brighter, more protected skin. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Serums have a higher concentration of targeted actives than essences and a lighter consistency than most ampoules. They deliver the most potent treatment in your routine.
You may also like

More K-beauty picks

COSRX
About the brand

Shop all