Step 3c: After cleansing, it's good to occasionally do a wash off or peel off mask. Wash-off masks are simple, easy ways to soothe, hydrate and pamper your skin while controlling breakouts. Peel off masks come in a gel-like consistency and solidify after application to help remove impurities and tighten skin. Rubber masks, or modeling masks, which is a popular Korean skin care treatment, seal in nutrition to skin and clarify the skin without drying. After removing your mask, move on to the rest of your skin care routine.