COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E & Glutathione (Renewal) – 0.7oz

COSRX Advanced Pure Vitamin C 23% Serum with Vitamin E & Glutathione (Renewal)

Refresh your skincare routine with a fragrance-free serum that maintains a high 23% concentration of pure vitamin C while pairing it with protective antioxidants. The renewal formula preserves potency and adds vitamin E and glutathione for a balanced, brightening effect without an added scent, making it suitable for daily use.

The serum delivers a lightweight, non-sticky feel that layers well with moisturizers and sunscreen. A gentle antioxidant network works alongside vitamin C to support a fresh, even-looking complexion, especially when skin appears dull or uneven in tone.

Key benefits

• High concentration of 23% pure vitamin C for everyday brightening
• Antioxidant synergy with vitamin E and glutathione for balanced radiance
• Lightweight, non-sticky finish that layers neatly with other products
• Scent-free formula suitable for sensitive or fragrance-sensitive skin
• Fridge storage after opening to help slow oxidation and preserve potency

How to use

• Shake 1-2 times before use
• Apply 2-3 drops once or twice daily
• During daytime, follow with SPF 30+ sunscreen
• You can apply under the eye area; avoid direct contact with eyes
• After opening, refrigerate to maintain stability
• Patch test on a small area before full facial use

Real-world use cases

In daily routines, this serum can address dullness and uneven tone with a lightweight, comfortable feel. It fits into morning or evening regimens and pairs well with moisturizers and sun protection for a polished glow without heaviness.

• May help brighten and even skin tone during regular use
• Ideal for layering with other skincare steps for a refreshed look
• Travel-friendly size that suits compact regimens
• Fridge storage helps maintain active potency over time

Practical tips

Store properly after opening, and consider a patch test if you have sensitive skin. This serum supports a clean daily routine without added fragrance, focusing on approachable brightness and hydration.