SKU: 99038280076

COSRX The Vitamin C 23 Serum 20g Special 1+1

Sale price$37.80 Regular price$42.00
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

COSRX The Vitamin C 23 Serum 20g Special 1+1Product Overview: The COSRX The Vitamin C 23 Serum is a high potency brightening serum formulated with 23% pure vitamin C (ascorbic acid) to effectively target hyperpigmentation, dullness, uneven skin tone, and fine lines. It enhances skin radiance while boosting collagen production for a youthful glow. This Special 1+1 Set provides double the benefits, making it perfect for long term brightening and skin repairing care. Key Features: High

Product Overview:

The COSRX The Vitamin C 23 Serum is a high-potency brightening serum formulated with 23% pure vitamin C (ascorbic acid) to effectively target hyperpigmentation, dullness, uneven skin tone, and fine lines. It enhances skin radiance while boosting collagen production for a youthful glow.

This Special 1+1 Set provides double the benefits, making it perfect for long-term brightening and skin-repairing care.

Key Features:

High Concentration of Vitamin C (23%) – Effectively brightens dark spots and evens skin tone.
Antioxidant Power – Protects skin from environmental stressors and UV damage.
Collagen Boosting – Improves skin elasticity and reduces fine lines.
Lightweight & Fast-Absorbing – No sticky or greasy residue.
Skin Barrier Support – Strengthened with Vitamin E & Hyaluronic Acid for hydration and nourishment.

Benefits:

Reduces hyperpigmentation, dark spots, and acne scars.
Promotes a radiant, even-toned complexion.
Minimizes fine lines and wrinkles by boosting collagen production.
Provides antioxidant protection against premature aging.
Hydrates and soothes the skin with added Panthenol and Tocotrienol.

How to Use:

🕒 Use Once Daily (PM Recommended)

  1. After Cleansing & Toning, apply 2-3 drops onto clean, dry skin.
  2. Gently Pat for absorption.
  3. Follow with Moisturizer to lock in hydration.
  4. Apply Sunscreen (SPF 30+) in the Morning if used in AM routine.💡 Pro Tip: Store in the refrigerator to maintain potency and extend shelf life.

Who Is It For?

Dull, tired skin needing a glow boost.
Hyperpigmentation & dark spots from acne or sun exposure.
Aging skin looking for fine line reduction.
Uneven skin tone in need of brightening.

Key Ingredients:

  • 23% Ascorbic Acid (Pure Vitamin C) – Potent antioxidant that fades dark spots and boosts collagen.
  • Tocotrienol (Vitamin E) – Enhances vitamin C stability and protects skin from free radicals.
  • Hyaluronic Acid – Provides deep hydration for a plump, smooth complexion.
  • Panthenol – Soothes irritation and supports skin barrier health.

Why Choose COSRX The Vitamin C 23 Serum Special 1+1?

✔️ Double Pack (1+1 Special) – More value for long-term skincare.
✔️ Highly Effective & Dermatologist-Tested – Designed for visible results.
✔️ Vegan & Cruelty-Free – No animal testing or harmful chemicals.
✔️ No Harsh Ingredients – Free from parabens, sulfates, artificial fragrances, and alcohol.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99038280076

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Reviewed in the United States on February 5, 2026
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Trasha
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Size: X-Large, Color: Royal Blue
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Mark
Phoenix, US
★★★★★ 5
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Size: X-Large, Color: Green
The style and fit are great. I did notice a white thread in the shoulder poking out. I used a marker to darken it so it was not noticeable but other than that this suit really looks great. We have a music event in a couple of weeks that I am wearing this to and think it will delight as a sharp but different. I was also happy that it did not require alterations, sleeve length was on spot and everything fit great (XL) also this is a slim fit but I am not that slim and it fit nicely on me. As long as it doesn't disintegrate during the event I will consider this money well spent.
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Lis George
New York, US
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Reviewed in the United States on January 7, 2026
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★★★★★ 5
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