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 13 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 “The Vitamin C 13 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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Description

✨ Glow like you mean it with COSRX Vitamin C 13! 🍊

EVEN COMPLEXION - Effectively prevents melanin synthesis to reduce hyperpigmentation.
FRESHNESS LOCKED - Innovative double-layer oil structure delays oxidation for maximum potency.
RADIANCE BOOSTER - Fades acne scars and brightens dull skin with potent 13% Vitamin C.
GENTLE YET POWERFUL - Hypoallergenic formula designed for sensitive skin without irritation.
COMPACT CONVENIENT - 20ml sleek bottle perfect for on-the-go skincare routines.

COSRX Vitamin C 13 Serum delivers a potent 13% pure vitamin C concentration in a hypoallergenic, stabilized formula featuring a unique double-layer oil barrier to maintain freshness and maximize efficacy. Designed to fade acne scars, brighten uneven skin tone, and prevent hyperpigmentation, this 20ml serum is a must-have for radiant, even complexion.

Common Questions

Are the products genuine and authentic?+

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.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.