It is important to properly care for your skylight. Cleaning: Wash your skylight with a mild soap (dishwashing liquid) and plenty of luke warm water. Apply light pressure with a soft clean cloth. Rinse with clear water,blot dry with a damp cloth or chamois. Stubborn Stains: To remove grease, oil or tar, use a good grade of hexane, aliphatic naphtha or kerosene. Obtain these solvents at a paint or hardware store; use as recommended by the manufacturer's. Immediately wash away oily film residues with a mild soap and water solution. DO NOT USE: Window cleaning sprays, kitchen scouring compounds, or solvents such as acetone, gasoline, benzene, carbon tetrachloride, or lacquer thinner. Caution:Alcohol may cause crazing. Dusting: Dust with a soft, damp cloth or chamois. Dry or gritty cloths can scratch the surface. Polishing: Where necessary, wax your skylight occasionally with non-solvent auto paste wax to protect it and maintain its surface gloss. Apply a thin, even coat with a soft, clean cloth; polish lightly with cotton flannel. Then wipe with a damp cloth to help eliminate electrostatic charges.