Andreia Professional Builder Gel Medium Viscosity Soft White 22 g Medium Viscosity 3-in-1 Construction Gel It works as a base, construction and top coat. Self-leveling. LED and UV. No feeling of heat. Acid free. Vegan. Compatible with all other gel viscosities. HOW TO USE: PREPARATION 1.Sanitize your hands. 2.Prepare your nails. Remove natural shine and clean with Cleanser. 3. Apply the primer and let it air dry for 60 seconds. CONSTRUCTION 1.With the brush, apply an extended layer of Andreia Professional Builder Gel Medium Viscosity, to create a base. Seal the tip of the nail. Catalyze for 60 seconds with an LED lamp or 120 seconds with a UV lamp*. 2. Apply a moderate amount of Andreia Professional Builder Gel Medium Viscosity to the middle of the nail to build and extend, avoiding contact with the cuticle. Catalyze for 60 seconds with an LED lamp or 120 seconds with a UV lamp*. 3.Remove grease with the cleanser.