Products Hydroquinone is commercially available in many countries as a drug product as a cream (combination preparation). Monopreparations are also available in some countries. Structure and properties Hydroquinone (C6H6O2, Mr = 110.1 g/mol) or 1,4-dihydroxybenzene exists as a white crystalline powder that is very soluble in water. It belongs to the diphenols or dihydroxybenzenes. Effects … Hydroquinone
Symptoms Age spots are round, flat, oval to irregularly shaped pigment spots on the skin with a yellow-brown, light or dark brown to black color. The size is in the millimeter to deep centimeter range. Age spots occur mainly on the face, back of the hands, forearms, décolleté, shoulders and back. They occur singly or … Liver Spots
Definition Phenols are organic compounds consisting of aromatics bearing one or more hydroxyl groups (Ar-OH). The simplest representative is phenol: this in contrast to alcohols, which are bonded to an aliphatic radical. For example, benzyl alcohol is an alcohol and not a phenol. Nomenclature The names of phenols are formed with the suffix –phenol, e.g., … Phenols
