Our herbal cough drops contain saffron extract, licorice extract. It soothes dry, itchy throats and reduces foreign body sensation. Its application is simple: clean the skin, keep the skin dry, place the patch on the skin of your throat or chest, press gently to ensure a fit, let it sit for 6-8 hours and then peel the patch off. And it can promote blood circulation and reduce throat discomfort caused by coughing.