ZzzQuil helps you get a good night’s rest and provides relief of occasional sleeplessness. The ZzzQuil line of products helps you sleep soundly so you can wake up feeling refreshed. It also reduces the amount of time it takes to fall asleep, if you have difficulty falling asleep.
What is ZzzQuil?
ZzzQuil is a non-habit forming sleep aid that helps you get the sound sleep you need by providing relief of occasional sleeplessness. The active ingredient in ZzzQuil that helps you sleep is Diphenhydramine HCl, which is an antihistamine.
What is in ZzzQuil?
The active ingredient in ZzzQuil is Diphenhydramine HCl, an antihistamine that is a nighttime sleep aid. Do not take ZzzQuil if you are taking any other product containing diphenhydramine, even one used on skin.