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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✨ Glow like you mean it with COSRX’s Vitamin C power boost!

HYDRATION HERO - Hyaluronic Acid penetrates deeply to plump skin and smooth wrinkles.
AGE DEFYING DUO - Vitamin E teams up with Vitamin C to combat fine lines and slow skin aging.
CLEAN CONSCIOUS - Hypoallergenic, dermatologist-tested, and free from parabens, sulfates, phthalates, and animal testing.
RADIANCE RELOADED - 23% pure Vitamin C delivers a powerful brightening boost for visibly glowing skin.
FRIDGE FRESH FORMULA - Store chilled to maintain potency and maximize antioxidant benefits.

COSRX Pure Vitamin C 23% Serum combines a high concentration of pure Vitamin C with Vitamin E and Hyaluronic Acid to brighten, hydrate, and reduce fine lines. This dermatologist-tested, hypoallergenic formula is free from harmful additives and designed for dry skin, delivering visible skin enhancement with daily use.

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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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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.

E£ 4445

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Manufacturer	COSRX INC.
Package dimensions	10.4 x 6.4 x 4.2 centimetres
Package Weight	0.11 Kilograms
Item dimensions L x W x H	44 x 65 x 104 millimetres
Item weight	20 Grams
Brand	COSRX
Colour	Cranberry
Format	Drop
Volume	20 Millilitres
Skin type	Dry
Item model number	SC40TR03
Product Dimensions	4.4 x 6.5 x 10.4 cm; 20 g
ASIN	B09ZY8T55Y

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

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