Usage: Soak feet in hot water for 10 minutes before use. Adults over 16 years old: apply fresh plaster every day until corn can be removed. Treatment can continue for up to 2 weeks unless prescribed by a doctor. Note: 1. Cannot be used because the skin is broken.2. If there is any heat, itching, redness, etc. at the application site, it should be stopped, and clean topical medication should be applied. Consult a doctor if necessary. Pregnant and lactating women with caution.4. Alergi this item is disabled, constitution allergy used carefully.5. Modification of product properties is prohibited for use.6. Children must use under adult supervision.