Star brite® 204116 Ceramics Wax & Seal uses the power of SiO2 tech to create a hard, durable top-layer that repels water, dirt, salt, dust and other contaminants, as well as providing protection against damaging UV-rays and oxidation. This easy to apply formula will outlast traditional waxes and is designed for use on fiberglass, gelcoat and painted surfaces. Repels dirt, grime, dust, and waterspots for an easy-to-clean, candy-like finish.