Begin with clean, dry skin before applying your sheet mask. Next, fit the mask evenly over your face, smoothing out any air bubbles and ruffles. Then, leave it on for 10–15 minutes to let your skin soak up the essence. After that, pour any remaining essence from the packet onto your mask or apply it to your neck, arms, and legs. Finally, take off the mask and gently pat the leftover essence into your skin. Finally, continue with moisturizer to lock everything in — and don’t wash it off.