Typical additives include various coloring agents and perfumes; bactericides; preservatives such as formaldehyde or hydrogen peroxide; pearlescing agents and opacifiers; pH modifiers to maintain a pH of about 6-8; aromatic hydrotropes such as ammonium, sodium or potassium xylene sulfonate and sodium cumene sulfonate; and a viscosity and/or clear point modifier such as ethanol, propanol isopropanol