Vicks ZzzQuil Sleep Aid Liqui-Caps, 25mg Diphenhydramine Hcl, Over-the-Counter Medicine, 48 Ct WORLD'S #1 SLEEP AID BRAND: ZzzQuil was developed by the trusted sleep experts at Vicks, because everyone deserves a great night's sleep NON-HABIT FORMING: ZzzQuil Liqui-Caps contain a non-habit-forming ingredient, Diphenhydramine HCI, that helps you get the sleep you want. Each dose (two Liqui-Caps) contains 50mg to help you fall asleep SLEEP SOUNDLY: Get the sound sleep you want so that you can take on your tomorrow WAKE REFRESHED: Helps you sleep soundly tonight so you wake up refreshed tomorrow FALL ASLEEP FAST: ZzzQuil Liquicaps help you fall asleep in as little as 20 minutes