How do I use this product?

This Serum consists of highly concentrated Pure Vitamin C (Ascorbic Acid)- a patch test on the body is recommended before using on the face. Store in the fridge to prevent oxidation.

Why does the serum smell bad?

Pure Vitamin C (Ascorbic Acid) naturally has a coppery scent. In order to keep our product as natural as possible, The Vitamin C 23 Serum is formulated without artificial fragrances.

Can this be used on sensitive skin?

Based on a Primary Dermal Irritation Study (on 30 subjects for 24 hours) the “COSRX The Vitamin C23 Serum” is found to be a non-irritant product that causes no irritation for sensitive skin. *Perform a patch test on the body before using on the face.

How do I know if this product is authentic?

To ensure the authenticity of the product, please make sure you are purchasing the product from COSRX Inc. The authenticity of the product cannot be promised when purchased from sellers other than COSRX Inc.

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COSRX Pure Vitamin C 23% Serum with Vitamin E & Hyaluronic Acid, Hydrating Facial Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.7oz/20g, Korean Skin Care

COSRX Pure Vitamin C 23% Serum with Vitamin E & Hyaluronic Acid, Hydrating Facial Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.7oz/20g, Korean Skin Care

Product ID: 441143330

Details

Product Benefits
Brightening
Scent
23%
Skin Type
Sensitive
Special Ingredients
Hyaluronic
Use for
Face

🌿Hyaluronic acid deep hydration

💧23% pure Vitamin C concentration

🛡️Vitamin E antioxidant protection

Description

✨ Glow like you mean it — the ultimate Vitamin C serum for radiant, youthful skin!

HYDRATION HERO - Hyaluronic acid delivers intense moisture deep into skin layers, smoothing fine lines and wrinkles.
RADIANCE REBOOT - Boost your glow with a potent 23% pure Vitamin C serum that visibly brightens and evens skin tone.
AGE DEFYING ARMOR - Vitamin E works overtime to shield your skin from early aging and environmental damage.
LIGHTWEIGHT LUXURY - Fast-absorbing, non-greasy formula perfect for layering under makeup or sunscreen without pilling.
FRIDGE FRIENDLY FRESHNESS - Refrigerate to preserve potency and prevent oxidation—because your skin deserves the freshest boost.

COSRX Pure Vitamin C 23% Serum is a high-potency, lightweight facial serum formulated with pure ascorbic acid, Vitamin E, and hyaluronic acid. Designed to brighten dull skin, reduce fine lines, and even out skin tone, this hypoallergenic serum delivers deep hydration while protecting against early signs of aging. Ideal for sensitive skin types, it requires refrigeration to maintain freshness and maximize antioxidant benefits.

Specifications

ASIN	B09ZY8T55Y
ASIN	B09ZY8T55Y
Active Ingredients	ascorbic acid,vitamin c,vitamin e
Best Sellers Rank	#48,134 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #977 in Facial Serums
Brand Name	COSRX
Customer Reviews	4.2 4.2 out of 5 stars (7,827)
Global Trade Identification Number	08809598454651
Item Form	Drop
Item Volume	20 ml
Item Weight	20 g
Item model number	SC40TR03
Manufacturer	Cosrx
Manufacturer	Cosrx
Manufacturer Part Number	8809598454651
Material Features	Hypoallergenic
Material Type Free	Artificial,Fragrance-free
Model Number	SC40TR03
Number of Items	1
Product Benefits	Brightening
Product Dimensions	1.73 x 2.56 x 4.09 inches; 0.71 ounces
Recommended Uses For Product	Brightening,Hydrating,Provides Vitamins,Wrinkles
Scent Name	23%
Skin Tone	All
Skin Type	Sensitive
Special Ingredients	Hyaluronic Acid
Target Use Body Part	Face

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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