Usage: 1.External use only 2.Wash navel area with warm water,open the pouch and take patch out, stick it on the navel , 3.One patch can be used for 3-4 days. Then remove it and clean skin. 4.5 pieces as a course of treatment. 2-3 treatments (10-15 patches ) are suggested to achieve best result. Contra-Indication: skin damaged and allergy, children, pregnant and nursing women. Storage: Store in a cool and dry place. Expiration: 2 years