Garnier Pure Skin Activated Charcoal Nose Strips for blackheads with activated charcoal. A quick and effective method that cleanses the pores and refreshes the skin on the nose. Application: Moisten the skin of the nose with water. Place the strip on your nose and press to remove air bubbles. Wait 10-15 minutes (the strip should be dry and stiff). Use 1-2 times a week. Precautions: Do not apply to irritated skin.