The Deep Clean: Skin with clogged pore is moistened with water. Apply strip. As it dries, strip binds up the dirt from the pore. Peel off the strip and pull away the impurities. Earth Therapeutics Clari-T pore cleansing nose strips are specially formulated to bind up and pull away pore-clogging dirt and impurities from the skin. And enhanced with organic Tea Tree essence - a natural purifier - these strips not only deep clean skin, but further refine the pores to reveal a cleaner, healthier, more radiant complexion. Dermatologist Tested. Hypo-Allergenic. Not tested on animals.