The Hyaluronic Acid 3 Serum

A targeted serum from COSRX for daily skincare routines focused on hydration support.

COSRX is a targeted skincare step designed to support hydration support. The formula can be layered after toner and before moisturizer as part of a simple morning or evening routine.How to UseApply a small amount to clean, toned skin. Gently pat until absorbed, then follow with moisturizer. Use sunscreen during the day.For external use only. Always check the product packaging for the latest ingredient list and detailed usage instructions.