- GiGi Brazilian Bikini Wax Microwave Formula is a strip-free hard wax designed for thorough bikini waxing, popularly known as Brazilian waxing. A gentle formula that removes even the coarsest hair from sensitive and delicate areas. 1. Remove the cap and the plastic disc. 2. Place jar in the center. of a microwave-safe plate. Heating time varies with each microwave. 3. Heat for 30 seconds on high setting. Carefully break the surface of the wax with a large applicator. If wax has not melted, reheat in 15-second increments until you can stir the wax so it takes on a thin/creamy consistency. DO NOT heat wax for more than a total of 1 minute, as wax may be too hot to apply. 4. Remove the jar from the micro.