Medium viscous, clear, flexible, and strongly adhesive base gel that can be removed if necessary Apply the strongly adhesive base gel after Nail Prep / Spray Prep and the Primer / Primer Acid Free / Primer HEMA free thinly on the nail. The base gel can be applied under both gel and 3 Step polishes, as well as the Xtreme Fusion Gel. It prevents the material from peeling off the nail plate when the nail is bent. Curing: 2-3 min under UV, 1-2 min under LED (depending on the strength of the lamp)