
COSRX The Vitamin C 23 Serum 20g Double Set
β The estimated delivery period is about 7 to 15 business days after ordering.
β
Free shipping over $99
π Highly Concentrated Vitamin C Serum for Brighter Skin
Introducing the COSRX The Vitamin C 23 Serum, a powerful serum formulated with 23% pure stabilized vitamin C (ascorbic acid) designed to improve skin tone, reduce wrinkles, and target dull, uneven skin. This double set offers intensive antioxidant care to brighten your complexion and fight visible signs of aging.
π Key Benefits
- βοΈ Brightens and evens skin tone by reducing hyperpigmentation and dark spots
- βοΈ Reduces the appearance of wrinkles and fine lines for firmer skin
- βοΈ Provides antioxidant protection against environmental damage
- βοΈ Hydrates and plumps skin with sodium hyaluronate
- βοΈ Soothes irritation and redness with panthenol and allantoin
- βοΈ Supports skin regeneration with added caffeine and niacinamide
- βοΈ Lightweight texture that absorbs smoothly leaving skin radiant
π Main Ingredients
- 23% Ascorbic Acid (Vitamin C): Potent antioxidant that brightens skin and supports collagen synthesis
- Niacinamide: Reduces pigmentation and helps even skin tone
- Panthenol: Soothes and moisturizes skin reducing redness
- Sodium Hyaluronate: Deeply hydrates and plumps skin
- Allantoin: Calms irritation and supports skin healing
- Caffeine: Stimulates skin regeneration and improves texture
- Vitamin E derivatives (Tocotrienol, Tocopherol): Boost antioxidant effects for enhanced skin protection
- Licorice Root Extract: Helps soothe and reduce redness
π¦ Whatβs Included
- - COSRX The Vitamin C 23 Serum 20g Γ 2 (Double Set)
π‘ How to Use
- Shake the bottle lightly to blend the two layers before use.
- After cleansing and toning, apply 2-3 drops to face using fingertips.
- Gently massage and press into skin for better absorption.
- Use daily, morning and/or evening. If used in the morning, apply sunscreen afterward to protect skin.
π± Clean Beauty Promise
Vegan | Cruelty-Free | Free from parabens and artificial fragrance | Non-comedogenic
π°π· Made in Korea
Combining advanced K-beauty technology and potent antioxidants for radiant, youthful skin.
Return (refund) policy
GLORYOUNG21 is committed to ensuring the highest quality products and does not sell used or damaged products.
If you received a defective or incorrect product, you can request a return (refund) within 30 days of receiving the package. Please contact customer service as soon as possible to begin the return (refund) process.
For the above reasons, if your return request is approved, GLOGYOUNG21 will cover shipping and additional charges. Refunds will be processed through the original payment method and may take approximately 2 to 15 business days to complete.
If a return (refund) request is fraudulent or excessive, GLORYOUNG21 reserves the right to restrict additional return (refund) requests.
All return (refund) approvals are subject to GLORRYOUNG21's discretion.
Return (refund) procedure
Please email GLOGYOUNG21 with 1:1 inquiries including the following details:
1. Order Number
β» If you do not provide the necessary information, your return (refund) request may be denied.
2. Photos of damaged or incorrect products
β» If you receive the wrong product, please attach a photo of the shipping label attached to the package
Upon receipt of your inquiry, our team will review the details and proceed with the return (refund) process accordingly.
Unable to return (refund)
Returns (refunds) are only available for defective products. Returns (refunds) are not permitted in the following cases.
Items not purchased from Glory Young21
If the package is returned due to customer-related reasons (e.g., wrong address, recipient unavailable, etc.)
If the customer changes his or her mind about the purchase
Wrong product ordered (customer's mistake)
Return request received more than 30 days after delivery date
If the product is intentionally damaged
If the product has been used
Change color or product options when requesting a return
β
Also, GLORYOUNG21 doesn't offer exchange service at the moment. Please consider this before purchasing. Actual product color may vary slightly depending on device settings and individual skin tone.
If you have any additional questions, please contact us via email.
help@gloryoung21.com
We continuously seek to provide the best description of our online products to all consumers around the world. However, governed by the relevant Korean law and regulatory guidance, word(s) or phrases such as βnatural,β βorganic,β βmore radiant,β βimmediately hydrates,β βhigh performance,β and βhypoallergenic,β are translations of approved Korean words or phrases that maybe used to describe a product or communicate with the general consumers in Korea. Therefore, depending on your location, your understanding of the descriptive words and phrases you see on our website may vary from our intended use.
Let customers speak for us
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Why 21?
πΏ The Gloryoung21 β 21-Day Glow Routine
Discover your natural glow β one week at a time.
Let your skin follow its natural 21-day rhythm to recover, nourish, and shine again.
π Week 1: Reset & Soothe
βLet your skin breathe again.β
- Carm and hydrate with gentle cleansing and soothing care
- Suggested: Cleanser, toner, cica essence or serum
- Key: Minimal routine, no exfoliation
π§ Week 2: Nourish & Restore
βFeed your skin with what it truly needs.β
- Boost hydration and skin renewal
- Suggested: Hydrating serum, moisturizer, sheet mask (2-3 times/week)
- Key: Layer light textures, focus on night care
π Week 3: Glow & Strengthen
βLet your glow unfold.β
- Brighten and improve skin strength
- Suggested: Brightening serum, firming cream, eye or neck care
- Key: Add gentle exfoliation (1-2 times), use SPF daily
β Gloryoung21 is not just skincare. Itβs a 21-day ritual of transformation.
Start your journey today β your skin remembers how to glow.