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Cosrx Vitamin C Serums (Vitamin C 23% Serum)
Free Standard Shipping Across USA
Brand: Cosrx
Type: Serums
Sku: WBZABB09ZY8T55Y
Availability: Sold Out
MPN: B09ZY8T55Y
Sold by Feelforever21, an authorized reseller.
Returns accepted within 30 days | support@feelforever21.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 3–5 business days
- Estimated Delivery: 6–10 business days after dispatch
- Carefully packed to protect your beauty & fashion items during transit
- Tracking number sent via email once dispatched
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
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Change of Mind
Return shipping at customer's expense · Item must be unopened, unused & in original packaging. Cosmetics & skincare cannot be returned once opened for hygiene reasons.
All returns require a Return Authorization (RA) number before sending.
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Safety & Compliance
⚠️
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov
💄
Beauty & Skincare Safety Advisory
Perform a patch test before first use — apply a small amount to your inner wrist and wait 24 hours. Discontinue use immediately if redness, itching, or irritation occurs.
Avoid direct contact with eyes. If contact occurs, rinse thoroughly with water. Keep all beauty and skincare products out of reach of children.
Consult a dermatologist before use if you have sensitive skin or known allergies.
✨
K-Beauty & Cosmetic Ingredient Notice
Always check the full ingredient list before use, especially if you have known sensitivities to common cosmetic ingredients. Product formulations may vary by batch.
For external use only. Do not ingest. Store in a cool, dry place away from direct sunlight.
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Cosrx Vitamin C Serums (Vitamin C 23% Serum)
$29.72
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Frequently Asked Questions
- Q: What are the main ingredients in COSRX Pure Vitamin C 23% Serum? A: The main ingredients are pure Vitamin C, super Vitamin E, and hyaluronic acid. These components work together to brighten the skin and provide intense hydration.
- Q: What is the size of the COSRX serum bottle? A: The serum bottle contains zero point seven fluid ounces, which is approximately twenty grams. This compact size makes it convenient for travel and daily use.
- Q: Is the serum safe for all skin types? A: Yes, the serum is generally safe for all skin types. However, a patch test is recommended due to the high concentration of Vitamin C.
- Q: How should I apply COSRX Pure Vitamin C Serum? A: Shake the bottle one to two times and apply two to three drops once or twice daily. For best results, follow with sunscreen during the day.
- Q: Can I use this serum under my eyes? A: Yes, you can apply the serum under the eye area. Just be careful to avoid direct contact with your eyes.
- Q: What is the recommended storage for this serum? A: The serum should be stored in the refrigerator to prevent oxidation. This helps maintain its potency and effectiveness.
- Q: How long does the serum last once opened? A: The serum typically lasts for about six months once opened. Proper storage can help extend its shelf life.
- Q: Is this serum suitable for sensitive skin? A: It may be suitable, but a patch test is crucial before full application. Sensitive skin may react to the concentrated Vitamin C.
- Q: What should I do if I experience irritation from the serum? A: If you experience irritation, discontinue use immediately. Consult a healthcare professional if the irritation persists.
- Q: How does this serum help with fine lines? A: The serum contains ingredients like Vitamin C and hyaluronic acid, which hydrate and promote collagen production, helping to reduce the appearance of fine lines.
- Q: Can I use this serum with other skincare products? A: Yes, you can use it with other products, but it is advisable to apply it on clean skin before other treatments for maximum absorption.
- Q: Is there a specific time of day to use the serum? A: It is recommended to apply the serum in the morning or evening. If using in the morning, follow up with SPF thirty or higher.
- Q: What skin concerns does this serum address? A: The serum addresses concerns like dull skin, uneven skin tone, and early signs of aging. It helps brighten and hydrate the skin effectively.
- Q: Is the serum vegan or cruelty-free? A: Yes, COSRX is known for being cruelty-free, and many of its products, including this serum, are vegan-friendly.
- Q: How quickly can I expect results from using this serum? A: Many users notice improvements in skin brightness and texture within a few weeks of consistent use, but results may vary.