This high-concentration serum, formulated with 90% penetrating hyaluronic acid, supports the skin's barrier function and is ideal for anti-aging care. - Product Name: ESIENCE NANO SLEEP SERUM - Country of Manufacture: MADE IN JAPAN - Features: Contains 90% penetrating hyaluronic acid - Point 1: High penetration - Point 2: High concentration of 9000ppm - Point 3: Supports the skin's barrier function - Point 4: Contains anti-aging ingredients Thank you for viewing.