First, apply gray paste to the skin's surface, then apply pink paste to remove blackheads by suction, and lastly, apply blue paste to reduce pores and blackheads \^. the entire trilogy Charming: 1. After cleaning, take off the first gray paste that was firmly affixed to the nose and give it a good 15 to 20 minutes. After cleaning the second wet nose, peel off the pink stickers that were adhered to the pink nose's surface using plastic film. When the nose is completely dry, wait ten to fifteen minutes, and then gradually peel it off. 3 of the 3 blue stickers have pore deposits that shrink by 5 to 10 minutes.