Advanced The Vitamin C 23 Serum

by COSRX

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> Description

Power-Brightening Pure Vitamin C Serum COSRX’s Advanced The Vitamin C 23 Serum features a high strength 23% pure vitamin C with Super Vitamin E and Glutathione to target uneven skin tone, early signs of aging, and dullness. Ideal for experienced vitamin C users seeking visible brightening and firmer skin, it absorbs smoothly to leave the complexion more radiant, supple, and revitalized. Size : 20ml / 0.67fl. oz

> Specifications

[Ingredients & Nutrition]

Key Ingredients23% pure vitamin C
Key IngredientsSuper Vitamin E
Key IngredientsGlutathione
Key IngredientsHyaluronic Acid
Active IngredientsAscorbic Acid

[Performance]

Benefitstarget uneven skin tone, early signs of aging, and dullness
Benefitsvisibly boosted Tone × Glow × Texture
Benefitsfirmer skin
Skin ConcernBlemishes & Pigmentation
Skin ConcernWrinkles
Skin Typeexperienced vitamin C users
TextureDual-layer serum
Textureabsorbs smoothly

[Certifications & Standards]

CertificationNon-Comedogenic Tested
CertificationClinically Proven
CertificationIn-Vivo Tested

[Dimensions & Fit]

Volume20ml / 0.67fl. oz

[Features & Construction]

Product FormPure Vitamin C Serum
Key Technologystabilized formula

> Pricing

Price: $25.00

Compare at: $25.00

Segment: mid-range

Availability: In Stock

> Variants

VariantPriceAvailable
Single$25.00Yes
2-Pack$42.50Yes

Source: https://cosrx.com/products/cosrx-advanced-the-vitamin-c-23-serum

Data verified March 2026.