The Vitamin C 13 Serum, 0.67 oz.

4.8 (106)
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Product details

Web ID: 17631853
A gentle vitamin C serum that's perfect for sensitive skin. It works tirelessly to fade blemishes, dark spots and freckles while enhancing overall tone with consistent use.

  • Product Features

    • WHAT IT IS:
    • A gentle vitamin C serum for those who want to use vitamin C every day, targeting uneven skin tone, dark spots, pigmentation and freckles, fine lines and wrinkles plus rough skin texture
    • WHAT IT DOES:
    • Provides daily brightening care; fades blemishes, dark spots and freckles; improves overall tone; refines skin texture; reduces size of pores
    • INGREDIENT HIGHLIGHTS:
    • 13% pure vitamin C improves discoloration and uneven skin tone
    • Tocotrienol (super vitamin E) boasts up to 50 times greater anti-oxidizing efficacy than tocopherol
    • Hyaluronic acid and allantoin provide moisture and relieve irritation
    • HOW TO USE:
    • Cleanse your skin and use a toner, then apply a few drops of serum to the skin
    • Use fingertips to gently massage and absorb the serum, starting from the middle of the face and working toward the edges

  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
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    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • For complete details, see our Shipping and Returns policies.
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Ratings & Reviews

Here's what customers think
  • This vitamin C serum is widely praised for its ability to brighten skin, reduce dark spots and hyperpigmentation, and improve overall skin tone and texture.
  • Many users report it is lightweight, absorbs quickly, and is gentle on sensitive skin.
  • While a few experienced minor dryness or breakouts, the majority of reviews are very positive, with users seeing visible results in a short time and expressing interest in trying higher concentrations from the brand.
AI-generated summary from 105 customers reviews.
4.8/5

106 star ratings, 105 reviews

Write a Review
85.8% of reviews have 5 stars
91
10.4% of reviews have 4 stars
11
3.8% of reviews have 3 stars
4
0.0% of reviews have 2 stars
0
0.0% of reviews have 1 star
0

13 customer images

105 reviews
patty c.
14 days ago
Incentivized review

i love the mild version

i love the mild version so i use them when i travel. it doesn’t give the heavy greasy feel g and complexion is brighter.

Customer review from cosrx

Dana B.
1 month ago
Incentivized review

It’s good! I was nervous

It’s good! I was nervous trying but pairing it with the skin peptide has made a difference in my skin! I do deal with hormonal acne and I have combination skin!

Customer review from cosrx

Cindy P.
2 months ago
Incentivized review

I love this vitamin c

I love this vitamin c its not to strong and don't cause my a reaction on my skin it a perfect fit for me I already see a improvement in the brightness and evenness of my Skin its working great for me and I will be buying it again

Customer review from cosrx

Madenah R.
3 months ago
Incentivized review

I got this product to

I got this product to even out my skin tone and calm the redness down from acne scars and sun spots. I love this formula.

Customer review from cosrx

sharda w.
3 months ago
Incentivized review

This is amazing it cleared

This is amazing it cleared up my uneven tones amd for the first time in a p yrs I don't need foundation.

Customer review from cosrx

Ivis Z.
4 months ago
Incentivized review

I think this is my

I think this is my 5th bottle of COSRX Vitamin C. I love what it does to my skin, its evens out my tone and smoothest it out.

Customer review from cosrx

Carrie S.
4 months ago
Incentivized review

I really love the feeling

I really love the feeling of this on my skin, but it has an odd smell that I really dislike.

Customer review from cosrx

Jozette B.
5 months ago
Incentivized review

I adore this, it evened

I adore this, it evened out my skin tone and helped with spots that had hyperpigmentation. Only issue with it is the color change, so it is important to keep refrigerated if you can, I think I'll try a higher concentration next.

Customer review from cosrx