'Third, I apply a layer of gel to the nails and let it dry in light for about 60 seconds,' Seney adds.If a pre-shaped kit like Apres Gel X is used, Seney explains: 'The second step, I use a bonder (this dries your nails) and a primer (this makes your nails sticky) so the gel can stick to it,' she says. Then, the expert applies a form underneath the natural nail to create the length one by one with a gel builder, a gel primer, and a gel top coat, letting them dry under the LED or UV light.Whether using pre-shaped gel nail extensions or creating them, the nail technician must first prepare the nails (i.e., file, clean, and buff your nails).