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COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E & Glutathione, Korean Vitamin C Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.7oz,
USD 36
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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
Product Details
- [Unique Scent? It's Gone] Upgraded with an advanced formula for better daily use, now without the unique scent while maintaining the original 23% Pure Vitamin C concentration.
- [A lightweight non-sticky Vitamin C Booster Serum] Fights early signs of aging and boosts skin radiance with a hydrating finish.
- [Antioxidant Synergy] Antioxidant network helps to remove free radicals together with Vitamin C! Pure Vitamin C + Super Vitamin E + Glutathione
- [Dermatological Ingredients] Pure Vitamin C (Ascorbic acid) helps achieve youthful glowing skin. Super Vitamin E (Tocotrienol) helps fight signs of aging and slows down skin damage. Glutathione helps improve dull, uneven skin tone and fade pigmentation and blemish marks.
- [How to Use] Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area, avoid direct eye contact. ✅ After opening, store in the fridge to prevent oxidation.
- [Patch Test Recommended] Perform a patch test on the body before using on the face. Proceed to using on the face if no irritation occurs in 24 hours. Consult with your doctor immediately if irritation occurs.
| Product Dimensions | 1.73 x 2.48 x 3.98 inches (4.4 x 6.3 x 10.1 cm); 0.71 ounces (20.13 grams) |
| Manufacturer | COSRX |
| Skin Type | All |
| Target Use Body Part | Face |
| Scent Name | 23% |
| Special Ingredients | Vitamin C |
| Item Form | Drop |
| Brand Name | COSRX |
| Number of Items | 1 |
| Item Weight | 20 Grams |
| Item Volume | 20 Milliliters |
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.
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Oily Skin
Individuals with oily skin types may find this serum too heavy and possibly exacerbating oiliness or breakouts.
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Pregnant Women
Pregnant individuals should consult a physician before using vitamin C serums due to varying recommendations on skincare ingredients.
Product Description
Customer Questions & Answers
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Question:
How often should I use the Vitamin C Booster Serum?
Answer: Apply 2-3 drops once or twice daily for best results. -
Question:
Can this serum be used under the eye area?
Answer: Yes, it can be applied under the eye area but avoid direct eye contact. -
Question:
Should I perform a patch test before using it on my face?
Answer: Yes, a patch test is recommended to check for any irritation.
COSRX Serums Editorial Review
COSRX Advanced Pure Vitamin C 23% Serum is garnering significant attention in the skincare community, particularly among those seeking brighter, healthier skin. Many users praise its effective formula, which combines Vitamin C with Vitamin E and Glutathione, making it a convenient all-in-one product that aims to tackle issues like fine lines, uneven skin tone, and dullness. From user experiences, it is evident that the serum has transformed many people's skincare routines. Several reviewers noted impressive results within just a couple of weeks, highlighting the serum's ability to fade discoloration and improve the overall texture of the skin. Users appreciated its lightweight, non-greasy feel, which absorbed quickly without leaving a sticky residue. Many claimed that their skin felt softer, smoother, and more hydrated, often leading to a diminished need for heavy makeup. However, not all feedback was positive. A few customers reported experiencing adverse reactions, such as an oily feeling or hives when combining the serum with other products. These contrasting experiences suggest that while the serum is effective for many, it may not suit every skin type, especially those sensitive to Vitamin C or when layered with certain ingredients. For those new to Korean skincare, the serum also serves as a fantastic introduction, with some users sharing that endorsements from dermatologists motivated them to try it. Overall, COSRX Advanced Pure Vitamin C 23% Serum is highly regarded by many for its performance, though potential users should be aware of their skin’s unique sensitivities. **
Customer Reviews & Ratings
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5 Star
79%
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4 Star
6%
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3 Star
4%
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2 Star
2%
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1 Star
9%
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Pros
- Effective for improving skin tone and texture
- Lightweight and non-greasy formula
- Rapid absorption into the skin
- Visible results in terms of radiance and hydration
- Convenient all-in-one combination of Vitamin C, E, and Glutathione
Cons
- Some users reported negative reactions like oiliness or hives
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 36
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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.




















