Acwell Super-Fit Clear Mask Creamy essential essence pair with black charcoal sheet mask layers on top of your skin perfectly to revitalise & refresh dry, dehydrated skin. Essence is packed with rich moisture and nutritions for your skin. How to use: 1. Fit the sheet mask to your face and leave it on for 10-20 minutes. 2. After removal, tap the remaining product on your face into your skin to absorb the leftover essence.