The finished products are synthesized chemically from a variety of raw materials derived from petroleum, fatty acids, and other sources. They may also contain ingredients such as builders, antiredeposition agents, corrosion inhibitors, suds control agents, enzymes, fabric softeners, fluorescent whitening agents, sodium sulfate, water, alcohols, hydrotropes, colorants, fragrances, and opacifiers.  Detergent ingredients vary with the types of products, which include light duty detergents, heavy duty detergents, hard surface cleaners, automatic dishwasher detergents, and cleansers. The finished product comes in a number of forms, such as granules, liquids, and crystals.