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

• A lightweight Vitamin C Booster Serum. Fight early signs of aging and improve the skin's brightness with the lightweight and hydrating Vitamin C serum.
• Patch Test Recommended: This serum consists of highly concentrated pure Vitamin C. A patch test on the body is recommended before using it on the face.
• Dermatological Ingredients: Pure Vitamin C (Ascorbic acid) helps achieve youthful glowing skin. Super Vitamin E (Tocotrienol) helps fight signs of aging and slows down skin damage. Hyaluronic acid delivers rich moisture deep into the skin and helps reduce the appearance of fine lines and wrinkles.
• How to Use: Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact. ✅ Store in the fridge to prevent oxidation.
• COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

• Question : How to use the serum?
  Answer : Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact.
• Question : Is patch test recommended?
  Answer : Yes, since the serum has concentrated pure Vitamin C, it is recommended to do a patch test before using on the face.
• Question : Does it have any harmful chemicals?
  Answer : No, the serum is Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE.
• Question : Why does my product smell like cat food when most others report almost no smell? Could I have a bad bottle?
  Answer : No, you do not have a bad bottle. Liquid-based skincare products formulated with a high amount of pure, very potent vitamin c are often reported as smelling unpleasant. This is why most companies add fragrance to their vitamin c products. Your serum is okay to use.
• Question : Is it ok if the product is not refrigerated? I will be traveling soon.
  Answer : The product does not need to be refrigerated and can be stored at room temperature. However, it is important to store it away from direct sunlight, heat, and humidity to maintain its effectiveness.
• Question : What is the size of the bottle? It is confusing as it mentions both 3.67oz and 0.7oz.
  Answer : The bottle you will receive is 20g, which is equivalent to 0.70 ounces.
• Question : Do I get a refund if the product irritated my skin and I can no longer use it?
  Answer : Yes, you can return the product if it did not work for you and get a refund.
• Question : What is the hyaluronic acid percentage in the product?
  Answer : The product does not contain hyaluronic acid. However, it does contain beneficial ingredients like Sodium Hyaluronate which has similar benefits. You can reach out to the brand for the specific percentage of Sodium Hyaluronate in the product.
• Question : Is this product travel friendly?
  Answer : Yes, the product is travel friendly as it is within the allowed TSA size.