T.P.O Line Friends 3 Step clean nose pack. Get blackhead and whiteheads to melt, pull, tighten… 3 STEP PORE CLEAN SOLUTION! First use the “Smooth cotton sheet” for sebum softening level, removing grainy sebum and black head. Next use our “Powerful peel-off sheet” as the Clearing Level, picking out embedded sebum cleanly. Finally use “Bio-cellulose sheet” for silky surface, smooth skin and collagen gather effect.