Bisolvon® Chesty Ivy Leaf Oral Liquid is a herbal Liquid used to help clear mucus from the chest. WARNINGS: Bisolvon® Chesty Ivy Leaf Oral Liquid is a herbal Liquid used to help clear mucus from the chest. Ingredients Hedera helix dry leaf extract 84.5mg/10mL from 528mg/10mL dry leaf. Contains potassium sorbate and sulfur dioxide. Directions: Adults and children 12 years +: 5-10mL 1-2 times a day when necessary. Do not exceed 15mL in a 24 hour period. Always read the label. Follow the directions for use. If symptoms persist, talk to your health professional. Contains potassium sorbate and sulfur dioxide.