
<p>The COSRX Hyaluronic Acid 3 Serum is a highly concentrated 3% hyaluronic acid formula that delivers intense, multi-layer hydration to instantly plump, soothe, and strengthen the skin's moisture barrier, immediately increasing external skin moisture by 223.95% and internal skin moisture by 16.35%, making it an essential daily serum for anyone seeking a visibly dewy, healthy, and resilient complexion.</p>