Synthetic chemicals refer to man-made or artificially created substances that are not found in nature. These chemical compounds can be produced by chemists through various methods, including chemical reactions and processes involving catalysts, heat, and pressure. Synthetic chemicals have a wide range of applications across industries such as pharmaceuticals, agriculture, textiles, plastics, and electronics. They are used to create new materials with specific properties or to improve existing products by enhancing their performance, durability, or appearance.