• The Vitamin 23% Serum: Create the best synergy. Boost skin enhancement and experience dramatically visible results by using Vitamin C and E together.
• Patch Test Recommended: This serum consists of highly concentrated pure Vitamin C. A patch test on the body is recommended before using on the face.
• Dermatological Ingredients: 23% 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 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 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

Product description Create the best synergy. Boost skin enhancement and experience dramatically visible results by using Vitamin C and E together. Safety Warning Cautions: We formulated this product with concentrated pure vitamin C serum. To ensure this is the right product for you, we always recommend a patch test & note skin's response over the next 24 hour prior to use it.This product should be stored in the fridge after opening.

After cleansing and toning, apply a small amount on your entire face. Gently pat using fingertips to aid absorption, and then go forth with your serums and moisturisers

At Korean Essential, your satisfaction is our priority. If you’re not completely happy with your purchase, here’s how our refund/return process works:

• Returns: You may return unused and unopened products within 30 days of receipt for a full refund.
• Refunds: Once we receive your returned item, we will process your refund within 5-7 business days. The refund will be issued to the original payment method.
• Exchanges: If you need a different product, please return the original item and place a new order.
• Shipping Costs: Shipping costs for returns are the responsibility of the customer unless the return is due to our error.

To initiate a return or exchange, please contact our customer service team for instructions.