Product Highlights
- Concentrated formula with 23% pure Vitamin C (L-Ascorbic Acid) for a luminous, even-looking tone
- Enhanced with Super Vitamin E and Hyaluronic Acid for soft, hydrated, radiant skin
- Lightweight texture absorbs quickly without stickiness or residue
- Upgraded dual-layer stability system maintains freshness and efficacy
- Low-irritation formula suitable for daily use and sensitive skin
Why You’ll Love It
COSRX Advanced The Vitamin C 23 Serum delivers a smooth, revitalized glow with every drop. Featuring 23% pure Vitamin C paired with Super Vitamin E and Hyaluronic Acid, it enhances the look of skin clarity and brightness while maintaining hydration and comfort. The elegant, lightweight texture glides on easily and absorbs fast, leaving skin soft, fresh, and luminous.
Available Options & Features
- Advanced 23% Vitamin C Formula: Balanced with antioxidants for visible brightness and vitality
- Dual-Bottle Set: Compact design preserves potency and is ideal for travel or shared use
Specifications
- Brand: COSRX
- Size: 20g × 2
- Type: Brightening Serum
- Texture: Lightweight, smooth, and non-sticky
- Origin: Korea
How to Use
- After cleansing and toning, apply 2–3 drops evenly to the face, avoiding the eye area.
- Gently pat for better absorption, then follow with a moisturizer.
- Use in the evening; apply sunscreen the next morning for daytime protection.
- Store in a cool, dark place or refrigerate after opening to maintain freshness.
Notes
- A mild tingling sensation may occur initially due to high Vitamin C concentration.
- Color may deepen slightly over time — this is a natural oxidation process.
- Use within 2 months of opening for best freshness and performance.
Ingredients
- Water, Ascorbic Acid (23%), Butylene Glycol, Dimethicone, Panthenol, 3-O-Ethyl Ascorbic Acid, Squalane, Ethylhexylglycerin, Caffeine, Sodium Hyaluronate, Tocopheryl Acetate, Gardenia Florida Fruit Extract, Daucus Carota Sativa (Carrot) Root Extract, Camellia Japonica Seed Oil, Glycyrrhiza Glabra (Licorice) Root Extract, Beta-Carotene, and others.
Shipping & Refund Policy
Shipping Policy
- Processing time: 1–3 business days before dispatch.
- Estimated delivery: 7–14 days after shipment.
- Tracking available where applicable; times may vary by region.
Refund & Returns Policy
- Returns accepted within 14 days of delivery for unopened, unused items in original condition.
- Contact info@glowlab.me with your order number for instructions.
- Opened or used skincare items may be non-returnable for hygiene reasons.
- This policy does not affect statutory consumer rights where applicable.
![[COSRX] Advanced The Vitamin C 23 Serum 20g (Set of 2) | Brightening & Firming Care](http://glowlab.me/cdn/shop/files/imgi_65_Advanced-The-VitaminC23-Serum_12.gif?v=1760217012&width=1445)