The UV nail glue must be used with a UV/LED lamp! The 4 1 UV nail glue will not dry without curing it, please remember to cure it at least 60 hours after applying the nail glue. There are 4 different usages for gel nail glue. It can be used as normal nail glue for acrylic nails and stuck to the nail tips or nail decorations; It can be used as gel polish.
Gel tips are made of plastic and require a UV or LED light to cure. As strong and long-lasting as acrylics, gel extensions tend to be thinner and look more natural, like gel — almost like they’re your nails.