Harmony Gelish Dip Essentials Combo. An all-in-one set for your basic dip powder needs that includes Gelish Dip Base Coat, Activator, and Top. Gelish Dip Base Coat, an optimal viscosity base coat that ensures a fast drying time as well as fill absorption of the Dipping Powder. Apply a thin layer of Base Coat to the surface of the natural nail and dip into your Dipping Powder. Gelish Dip Activator - Nail Adhesive Dryer. It helps to speed the drying process by increasing the polymerization rate. Provides flexibility to the finish coat reducing any brittleness, and helps the Top Coat to achieve a clear, glass like finish. Gelish Dip Top Coat achieves a high gloss shine and contains vitamin A and E to protect and strengthen the natural nail during wear.