Gellack Base Coat is a gellack base gel, that cures under UV/LED lamp. Before use, clean the nails with Gellack Cleaner and make sure that all the dust and dirt is removed. Apply a thin layer of base gel on to the nail and leave the nail edge a little bit uncovered. Allow the product to cure under a UV lamp for 2 minutes or under LED lamp for 1 minute. Then apply Lemon Cosmetics colour Gellack.