8 Greatest Korean Vitamin C Serums 2025, Examined and Reviewed


“I’m a sucker for a formulation that targets a number of issues without delay. Other than its extremely lovely packaging (signature to the Glow Recipe aesthetic), I used to be instantly drawn to its intelligent formulation that mixes a trio of brightening and resurfacing substances. My pores and skin felt immediately rejuvenated, and I used to be pleasantly stunned that it didn’t end in any irritation or undesirable sensitivity at any time when I used to be coping with yet one more PCOS-related breakout,” says Primbet.


6. Greatest for Darkish Spots: Haruharu Marvel 4% TXA Darkish Spot Go Away Serum

haruharu marvel 4% TXA Darkish Spot Go Away Serum

  • Professionals: Options centella asiatica, making it an excellent possibility for delicate pores and skin; a triple mixture of tranexamic acid, niacinamide and vitamin C delivers spectacular outcomes
  • Cons: Not fragrance-free

Korean skincare actually shines at being mild but efficient, and this formulation from Haruharu marvel is proof. Formulated with potent 4% tranexamic acid, this antioxidant-rich serum is a superb possibility for many pores and skin sorts, significantly acne-prone pores and skin. This hardworking brightening hero helps fade away post-acne marks and prevents any additional irritation. Other than tranexamic acid, this formulation can also be infused with vitamin C and niacinamide to assist maximise the brightening advantages and promote a extra even-looking pores and skin tone. Full with centella asiatica (also referred to as “cica”), this modern face serum may even soothe the pores and skin and assist restore your broken pores and skin barrier, making it a pure match for these of us with delicate pores and skin.


7. Greatest Potent Method: COSRX Pure Vitamin C 23% Serum with Vitamin E & Hyaluronic Acid

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COSRX Pure Vitamin C 23% Serum

  • Professionals: Contains a potent 29% focus of pure vitamin C; feels nourishing on the pores and skin; reveals dewy glass-like pores and skin
  • Cons: Is probably not appropriate for delicate pores and skin sorts. The model specifies that you will want a patch take a look at previous to committing to utilizing it often

When you’re somebody who’s on the lookout for a stronger, stronger vitamin C serum, look no additional than this formulation from Cosrx, a coveted Korean skincare model that’s widely known for its easy but efficient substances. Providing a 23% focus of pure vitamin C, this formulation delivers some severe brightening advantages, leading to a extra even-looking complexion and light hyperpigmentation. Plus, it’s additionally infused with vitamin E to decelerate long-term pores and skin harm in addition to hyaluronic acid to make sure lasting hydration and an enchancment to wonderful strains and wrinkles. That stated, because it’s a powerful formulation, the model does advocate performing a patch take a look at previous to utilizing it often because it might additionally end in irritation or sensitized pores and skin. Use it as a part of your morning routine alongside your trusty SPF and a moisturizer.


8. Greatest for Mature Pores and skin: TIRTIR Pure Vitamin C 24% Face Serum

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TIRTIR Pure Vitamin C 24% Face Serum

  • Professionals: Highly effective focus of vitamin C; has a light-weight, nongreasy really feel; packs spectacular brightening properties
  • Cons: The upper focus is probably not appropriate for ultra-sensitive pores and skin

Having gone viral throughout social media, Tirtir became probably the most sought-after Ok-beauty manufacturers, and deservedly so. Out of its intensive skincare lineup, the Pure Vitamin C serum is a stable selection for these with mature pores and skin, because of a complete bunch of tightening and rejuvenating parts reminiscent of alpha bisabolol and triple collagen. That includes a 24% focus of vitamin C, this high quality vitamin C serum has been confirmed to ship a firmer and brighter-looking complexion in only a few weeks. Not solely does it support in fading away pigmentation and darkish spots, nevertheless it additionally helps plump up your complexion, improve its pure elasticity, and provides your pores and skin that much-needed increase of hydration.

READ MORE: An trustworthy TirTir basis evaluation – does it dwell as much as the hype?


Your Korean Vitamin C serum FAQs, answered:


What are the advantages of utilizing vitamin C?

“Vitamin C (or ascorbic acid) is a robust antioxidant that’s confirmed to not solely defend in opposition to pores and skin harm but in addition reverse a few of the present harm that has already been brought on by oxidative stress—the method that damages cells, proteins, and DNA, leading to untimely pores and skin ageing, lack of collagen, pigmentation, and the formation of strains and wrinkles,” says Dr. Corridor.

A few of its many advantages additionally embrace “its potential to brighten pores and skin, even out hyperpigmentation, and stimulate collagen manufacturing,” says Cho.

In keeping with Cho, “Vitamin C has been rising in recognition in Korean skincare, however the method is totally different from Western formulation. Ok-beauty has launched many L-ascorbic (pure vitamin C) acid formulations which are stronger and efficient however troublesome to stabilise with publicity to gentle and oxygen. That stated, they’ve made progress on making L-asborbic vitamin C formulations to be extra shelf steady lately.”

“When it comes to formulation, Korean vitamin C serums will probably be lighter and extra hydrating. Ok-beauty locations its greatest give attention to the pores and skin barrier—restoring, sustaining, and repairing it—so formulations are usually gentler. That is achieved via the usage of milder, extra steady types of vitamin C,” says Dr. Corridor.

How ought to I exploit a Korean vitamin C serum?

“Vitamin C is greatest used within the morning due to its antioxidant properties, which assist defend the pores and skin from environmental stressors like UV rays and air pollution,” says Cho.

So far as software goes, Dr. Corridor recommends utilizing it on freshly cleansed pores and skin or after making use of toner (or Korean toner): “Permit a couple of minutes for it to soak in earlier than making use of your different skincare substances. As soon as soaked, vitamin C has been proven to stay lively within the pores and skin for between 8 and 24 hours post-application.”

Is there a distinction between ampoules and serums in Korean skincare?

“Ampoules are often known as boosters and are extra concentrated variations of serums: i.e. the quantity of lively ingredient within the product will probably be greater. Whereas most serums are designed for use as soon as (if not twice) a day, ampoule-style merchandise are designed for utilizing a few times per week, which is why the packaging measurement will probably be smaller,” says Dr. Corridor.

Cho additionally factors out that “some Korean manufacturers blur the strains between the 2,” so it’s essential to concentrate to how the product is labeled and pay attention to the really helpful instructions as a way to keep away from overwhelming your pores and skin.

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