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Item #:
224191516
COSRX 23% Pure Vitamin C Serum for Face with Vitamin E, Glutathione, 0.7oz
86% of respondents would recommend this to a friend
Item #:
224191516
€ 33
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*All items will import from US
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Order now and get it around Sunday, September 13
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A lightweight non-sticky Vitamin C Booster Serum that fights early signs of aging and boosts skin radiance.
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What Stands Out
High Potency
Contains 23% pure Vitamin C to effectively brighten skin, reduce fine lines, and combat dullness, outperforming many competitors with lower concentrations.
Added Antioxidants
Infused with Vitamin E and Glutathione, this serum boosts skin protection against environmental stressors, enhancing overall skin health and resilience.
Korean Innovation
Developed with advanced Korean skincare technology, ensuring high quality and effective formulation to improve uneven skin tone and promote a radiant complexion.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.15 lbs (70 grams) |
| What is in the box | COSRX 23% Pure Vitamin... For more details, please check description/product details |
Who Should Buy?
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Dull Skin
Ideal for individuals with dull skin looking to achieve a brighter and more radiant complexion.
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Fine Lines
Great for people wanting to reduce the appearance of fine lines and signs of aging for smoother skin.
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Uneven Skin Tone
Beneficial for those struggling with uneven skin tone, promoting a more uniform and balanced complexion.
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Sensitive Skin
Not suitable for users with sensitive skin as it may cause irritation or redness due to high vitamin C concentration.
Product Description
COSRX 23% Pure Vitamin C Serum for Face with Vitamin E, Glutathione, 0.7oz
Dietary Supplement Disclaimer
Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Customer Questions & Answers
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Question:
What are the primary benefits of using COSRX 23% Pure Vitamin C Serum?
Answer: This serum primarily helps to brighten the skin, reduce fine lines, and promote an even skin tone. The high concentration of Vitamin C works to combat dullness and improve skin texture, while Vitamin E and Glutathione provide additional antioxidant protection, enhancing skin radiance. Many users find this serum effective for achieving a youthful look during their morning or evening skincare routine. -
Question:
How should I incorporate COSRX Vitamin C Serum into my skincare routine?
Answer: To incorporate this serum, apply a small amount after cleansing and toning your face. Follow it up with your favorite moisturizer and sunscreen during the day. This serum works well in both morning and evening routines, but using it in the morning allows you to take advantage of its brightening effects throughout the day, especially when complemented with sunscreen. -
Question:
Is the COSRX Vitamin C Serum suitable for sensitive skin?
Answer: Yes, many users with sensitive skin have found COSRX Vitamin C Serum effective. Its formulation includes soothing agents that help minimize irritation. However, it's advisable to perform a patch test before full application to see how your skin reacts, especially if you are new to Vitamin C products. Adjust frequency based on your skin's tolerance. -
Question:
Can COSRX Vitamin C Serum be used with other skincare ingredients?
Answer: Absolutely! This serum pairs well with hyaluronic acid for hydration and other brightening ingredients like niacinamide. However, avoid using it alongside strong exfoliants (like AHA/BHA) and retinoids in the same routine for best results. This allows you to maximize its brightening effects while ensuring your skin barrier remains intact. -
Question:
What skin concerns does COSRX Vitamin C Serum address?
Answer: This serum is particularly effective for individuals struggling with dull skin, uneven skin tone, and fine lines. The active ingredients are designed to enhance skin luminosity, provide hydration, and improve overall texture. Users often notice visible improvement in skin clarity and reduced pigmentation, leading to a healthier complexion. -
Question:
What is the shelf life of COSRX Vitamin C Serum once opened?
Answer: Once opened, COSRX Vitamin C Serum should ideally be used within 3 to 6 months for optimal freshness and effectiveness. Store it in a cool, dark place to minimize oxidation. Users are advised to check for color changes or an off smell, which indicates that the serum may no longer be effective. -
Question:
Is COSRX Vitamin C Serum cruelty-free?
Answer: Yes, COSRX is committed to cruelty-free practices. The brand does not conduct animal testing at any stage of product development. This makes COSRX Vitamin C Serum an excellent option for ethically-minded consumers who want high-quality skincare without compromising their values. -
Question:
Can I use COSRX Vitamin C Serum if I have acne-prone skin?
Answer: Yes, COSRX Vitamin C Serum is suitable for acne-prone skin. Its antioxidant properties help combat inflammation and reduce the appearance of post-acne marks. The lightweight formula absorbs quickly without clogging pores, allowing users to enjoy the benefits without the risk of breakout activations. -
Question:
What is the texture of COSRX Vitamin C Serum?
Answer: The COSRX Vitamin C Serum has a lightweight, gel-like texture that absorbs rapidly into the skin without leaving a greasy residue. This makes it an ideal choice for layering under moisturizers and sunscreens, ensuring that your skin feels hydrated and smooth without being heavy, perfect for both morning and night routines. -
Question:
Where can I buy COSRX 23% Pure Vitamin C Serum in Ireland?
Answer: You can purchase COSRX 23% Pure Vitamin C Serum from Ubuy, which offers a reliable platform for acquiring skincare products, making it easy to find and order your favorite items online in Ireland.
COSRX Serums Editorial Review
COSRX 23% Pure Vitamin C Serum for Face with Vitamin E, Glutathione, 0.7oz is a Korean vitamin C serum designed to target fine lines, uneven skin tone, and dull skin. Users appreciate its high concentration of 23% vitamin C, which promotes smoother, brighter skin while being well-absorbed. Many have testified to its effectiveness in their skincare routines, experiencing a significant glow and improved skin texture. However, some users have noted a minor burning sensation upon application, especially those with sensitive skin, and recommend starting with lower concentrations of vitamin C. The packaging is compact, making it easy to store in the refrigerator to prevent oxidation.
Customer Reviews & Ratings
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Pros
- High concentration of vitamin C for effective results
- Quick absorption without a greasy feel
- Compact packaging for easy storage
- Improves skin brightness and texture
- Gentle on various skin types
Cons
- Might cause a slight burning sensation for sensitive skin
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
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Top selling Korean Vitamin C Serum in Ireland
Last Updated on August 30, 2026
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€ 33
Order now and get it around Sunday, September 13
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Features & Benefits
- Upgraded formula with 23% Pure Vitamin C concentration.
- Non-sticky and lightweight for daily use.
- Fights early signs of aging effectively.
- Boosts skin radiance with a hydrating finish.
- Contains a powerful antioxidant synergy.
- Suitable for sensitive areas, including under the eyes.
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