ROUND LAB Birch Moisturizing Serum is a hydrating and soothing serum that effectively addresses inner dryness with its blend of Betula Platyphylla Japonica Juice, Sodium Hyaluronate, and Hydrolyzed Hyaluronic Acid. Enriched with natural extracts like Eclipta Prostrata Leaf Extract and Curcuma Longa Root Extract, it leaves the skin feeling refreshed and revitalized while maintaining a lightweight texture.