Top 10 Best Korean Vitamin C Serums for ‘Glass Skin’

Have you ever aspired to achieve that coveted "glass skin" look? It's a term that encapsulates skin so smooth, even-toned, and radiant that it resembles flawless glass. One key ingredient consistently praised in the skincare routines of those with glass skin is vitamin C serums and ampoules. With this in mind, we decided to delve into the realm of Korean skincare and uncover the best Korean vitamin C serums available.

While most people are familiar with the importance of vitamin C for overall health, its significance in the beauty world has sparked a fervent interest. But what exactly does vitamin C do that makes it a must-have for beauty gurus everywhere?

The Effects of Vitamin C for Skin

  • 1. Defend Against Aging: Vitamin C acts as a potent antioxidant, combating oxidative stress and shielding your skin from the harmful effects of photoaging (including pigmentation, coarse texture, and deep wrinkles).
  • 2. Promote Youthful Skin: Vitamin C aids in collagen synthesis, essential for maintaining skin elasticity and firmness.
  • 3. Enhance Effectiveness: Vitamin C doesn't work alone—it's the primary replenisher of vitamin E and exhibits a synergistic effect when paired with tocopherol. Together, they form a formidable defense against environmental aggressors and premature aging.
  • 4. Combat Pigmentation: By inhibiting melanin synthesis, vitamin C fades existing dark spots and prevents new ones from forming, leaving your complexion luminous and even-toned.

While retinol may be stealing the spotlight in skincare, vitamin C offers a compelling alternative, especially for those battling dullness and dryness. For those seeking comprehensive anti-aging benefits, explore our curated selection of the best Korean retinol creams.

Remember, balance is key. To maximize results, alternate between your vitamin C serum in the morning and retinol cream at night.

Top 10 Best Korean Vitamin C Serums

1. COSRX The Vitamin C 23 Serum 20g

23,000 KRW | 1,150 KRW per g | Contains 23% Ascorbic Acid | Award-Winning Vitamin C Serum

COSRX The Vitamin C 23 Serum

For those enamored with our selection or deeply immersed in the realm of K-beauty, COSRX needs no introduction. This esteemed brand stands as a beacon in the landscape of Korean skincare, renowned for its exceptional lineup of products. Among these treasures, COSRX's vitamin C serums shine with unparalleled brilliance. Crafted to perfection, they offer a choice between two potent formulations: Vitamin C 13 and 23, tailored for both daily and intensive skincare routines.

Distinguished by their use of ascorbic acid, the purest and most potent form of vitamin C, these Korean serums stand out in a crowded market. Scientifically validated, the topical application of active vitamin C concentrations ranging from 10 to 20% promises remarkable benefits for the skin. Whether opting for daily maintenance or a more intensive approach, you can anticipate a multitude of skin benefits, including evening out skin tone and minimizing the appearance of pores.

2. NATURE REPUBLIC Vitapair C Dark Spot Serum 90ml

41,000 KRW | 456 KRW per ml | Contains 79.9% Lemon Extract | Award-Winning Vitamin C Serum

NATURE REPUBLIC Vitapair C Dark Spot Serum

Coming up next on our lineup is the Vitapair C Dark Spot Serum by Nature Republic. This serum is a highly sought-after solution for brightening skin and reducing the visibility of blemishes. Crafted by cold brewing green lemons sourced from Jeju Island, this serum stands out as one of the most potent Korean vitamin C serums available. Each 90 ml bottle contains an impressive 79.9% lemon extract, alongside niacinamide (4%) and tranexamic acid (4%). It's important to note that while this product is generally gentle on the skin, individuals with sensitive skin may find it slightly intense due to its high concentration of active ingredients.

3. HSGN Pure Vitamin C Ferulic Acid 15ml

18,000 KRW | 1,200 KRW per ml | Contains 15% Ascorbic Acid | EWG Green Grade Ingredients

HSGN Pure Vitamin C Ferulic Acid

With a strong scientific foundation, the HSGN Vitamin C Serum offers an effective formula for maximum results. With a pH level below 3.5, this serum penetrates deep into your skin, delivering 2.5 times more effectiveness compared to formulas with a higher pH of 3.6 or above. As mentioned before, studies have demonstrated that vitamin C is most beneficial when present in concentrations of 10–20%. When combined with tocopherol and ferulic acid, its efficacy and stability are enhanced, heightening both its effects and stability for amplified skin benefits. While there's a wealth of detail to explore, we'll let the results do the talking. Experience the difference firsthand and let your skin speak for itself!

4. MEDIHEAL Vitamin C Brightening Serum 40ml

22,000 KRW | 550 KRW per ml | High Concentrate Niacinamide

MEDIHEAL Vitamin C Brightening Serum

Adding yet another gem to our list of must-try Korean skincare brands is Mediheal. Renowned for its simplified yet highly effective solutions targeting the root causes of various skin concerns, Mediheal stands out for its diverse range of facial masks and pads. However, one product that particularly shines amidst its lineup is its vitamin C serum. This serum has garnered a loyal following among individuals whose skin tends to react adversely to other vitamin C products. While its ascorbic acid content may be relatively low, it compensates with a blend of potent active ingredients such as niacinamide, panthenol, gluconolactone, and capryloyl salicylic acid. Together with deeply hydrating elements, these components work in harmony to ensure your skin receives comprehensive nourishment from the inside out.

5. TOUN28 Propolis + Vitamin C, B3, B5, B6 Serum 30ml

35,000 KRW | 1,167 KRW per ml | Vegan certified by Vegan Trademark

TOUN28 Propolis + Vitamin C, B3, B5, B6 Serum

For those who want something different from the usual vitamin C products, this Korean vitamin C serum is an excellent alternative. TOUN28 presents an exceptional option for those desiring gentle, vegan skincare solutions that still deliver ample vitamin C benefits. Formulated with 87.99% propolis extract, 2% ascorbyl glucoside, niacinamide, panthenol, and a host of other vitamins including B3, B5, and B6, this serum offers a comprehensive approach to enhancing and illuminating your skin tone. Consider this choice if you want to enjoy the functional benefits of propolis. It's packed with over hundreds of active compounds, minerals, vitamins, and enzymes!

6. HANYUL Yuja Vita-C Serum 50ml

61,000 KRW | 1,220 KRW per ml | Contains 5 Types of Vitamins and Taurine

HANYUL Yuja Vita-C Serum

Is your skin looking dull, tired, or just not its best? It might be time to incorporate vitamin C serums into your skincare routine. Hanyul's Yuja serum is a great option to start with. Infused with 5 essential vitamins and taurine in microcapsules, this serum works quickly to revitalize tired skin. While it doesn't have the highest concentration of vitamin C like some other serums, it's perfect for daily use, gradually improving your skin's tired complexion. Plus, the refreshing citrus scent makes it a delightful treat for your senses—it's just simply a-m-a-z-i-n-g.

7. DR. NL Vitamin C 14% Serum 20ml

84,900 KRW | 4,245 KRW per ml | Contains 14% Ascorbic Acid | Dermacosmetic Brand

DR. NL Vitamin C 14% Serum

DR. NL is a premier cosmetic beauty brand celebrated for its unparalleled quality, merging the forefront of Korean skincare innovation with the expertise of Dr. Nikolaus Linde, a distinguished Swiss beauty expert. This vitamin C serum is meticulously crafted with an ideal pH level for optimal absorption, complemented by biopolymers that amplify the efficacy of active ingredients. With a potent blend of 14% pure vitamin C, tocopherol (vitamin E), and ferulic acid, this serum delivers an extra boost for achieving luminous, radiant skin. And let's not overlook the inclusion of glutathione and coenzyme Q10, which work synergistically to enhance skin brightness, ensuring a complexion that truly shines.

8. DR. DIFFERENT CEQ Anti-Oxidant Serum 15ml

42,000 KRW | 2,800 KRW per ml | Contains 15% Ascorbic Acid | Award-winning Korean Vitamin C Serum

DR. DIFFERENT CEQ Anti-Oxidant Serum

Meet Dr. Different’s serum, the ultimate antioxidant booster. Packed with ascorbic acid (15%), vitamin E, and coenzyme Q10, this powerhouse formula shields your skin from damage while refining skin texture and tone. With a pH of 3.5, it ensures optimal absorption and guards against oxidation. What's more, the addition of ferulic acid, fullerene, and gluconolactone serves as a stabilizing force, amplifying the photoprotective benefits of vitamins C and E. If you're committed to infusing antioxidants into your skincare regimen, explore this Korean vitamin C serum!

9. INNISFREE Vitamin C Green Tea Enzyme Brightening Serum 30ml

38,000 KRW | 1,267 KRW per ml | Award-winning Korean Vitamin C Serum

INNISFREE Vitamin C Green Tea Enzyme Brightening Serum

In the quest for luminous, blemish-free skin, Innisfree's Vitamin C serum emerges as the ultimate ally.  This highly acclaimed serum, endorsed by Director Pi, a renowned figure in Korean beauty, offers a comprehensive solution to blemishes and dullness. By actively regulating your skin's natural oil production and preventing excess sebum, it ensures a harmonious balance. Infused with potent green tea enzymes, it gently exfoliates dead skin cells, while the vitamin C component works to brighten and rejuvenate your skin.

Although its weakly acidic formula may deviate from the typical pH level of vitamin C serums, it's precisely this feature that makes it stand out. This gentle formulation is perfectly suited for sensitive or problematic skin types, promising effectiveness without irritation. So, if you're on the lookout for a non-comedogenic serum that delivers visible results, Innisfree's Vitamin C serum is your go-to solution.

10. HYEJA Vegan Yuja Vitamin C Brightening Serum 95ml

44,000 KRW | 463 KRW per ml | Contains 63.12% Yuja Extract | Vegan Certified By EVE Vegan

HYEJA Vegan Yuja Vitamin C Brightening Serum

Wrapping up our exploration of the best Korean vitamin C serums, we're excited to spotlight Hyeja, a relatively new player in the beauty scene. What caught our attention is their unique beauty philosophy centered around the idea of "redefining the beauty of imperfection" by embracing our true selves. Their vitamin C serum is tailor-made for those with a keen eye for skincare ingredients. Featuring a blend of yuja extract (63.12%) and green tea extract (14.7%), complemented by niacinamide for enhanced skin brightening, this serum is incredibly gentle and swiftly absorbed, leaving you feeling revitalized and ready to face the day with a radiant smile!

Price Comparison

Here's a breakdown of the price range for the best Korean vitamin C serums mentioned in this post. Keep in mind that these figures represent standard retail prices and may not reflect any ongoing discounts or promotions. It's typical for these products to be offered at discounted rates, allowing you to purchase them at a more budget-friendly price point.

ProductPrice per unit
COSRX The Vitamin C 23 Serum1,150 KRW
NATURE REPUBLIC Vitapair C Dark Spot Serum456 KRW
HSGN Pure Vitamin C Ferulic Acid1,200 KRW
MEDIHEAL Vitamin C Brightening Serum550 KRW
TOUN28 Propolis + Vitamin C, B3, B5, B6 Serum1,167 KRW
HANYUL Yuja Vita-C Serum1,220 KRW
DR. NL Vitamin C 14% Serum4,245 KRW
DR. DIFFERENT CEQ Anti-Oxidant Serum2,800 KRW
INNISFREE Vitamin C Green Tea Enzyme Brightening Serum1,267 KRW
HYEJA Vegan Yuja Vitamin C Brightening Serum463 KRW

Disclaimer: Please note that we are not affiliated with or sponsored by any of the brands mentioned in this post. Our recommendations are based on thorough research, including reviews and product ingredients, to ensure that we provide you with accurate and unbiased information.

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