[COLOR-CHANGING MASK]Infused with Heartleaf Water and Low molecular(300Da) collagen , this hydrogel moisturizing mask helps the skin feel smoother and firmer and turns into a clear transfer mask. [SOOTHING & CALMING] Exclusive HEARTLEAF+ complex, Hyaluron, and collagen synergy helps soothe and calm the skin, deeply nourishes it through moisturizing, and leaves it smooth. [ACTIVE COLLAGEN CARE] With 300Da Low molecular collagen, this High-moisture collagen formula is quickly absorbed to deliver a subtle radiance and reduce dryness for optimal hydration. [THIN HYDROGEL SHEET]The slim, 1mm ultra-thin sheet mask provides a lightweight, comfortable fit for extended or overnight use, delivering deep hydration while being gentle on the skin. [PRO TIPS] Use the mask after toner, serum, and cream for enhanced absorption. Leave it on for at least 3 hours or overnight for deeply hydrated, calm, and look revitalized skin by morning.