Sleep soundly. From the makers of Vicks NyQuil. Diphenhydramine HCI. Non-Habit forming. Fall asleep fast. Alcohol 10%. Not for pain. Not for colds. Just for sleep. www.vicks.com. www.pg.com. www.zzzquil.com. 10% Other information: Each 30 ml contains: sodium 24 mg. Store at room temperature. Does not meet USP requirements for light-resistant packaging.