The high concentration of reactive species of oxygen can lead to damage in nucleic acids, proteins and other cellular structures leading to a huge variety of diseases such as atherosclerosis and immune dysfunction (Su-Ying et al., 2007). The presence of antioxidant compounds can minimize the undesirable effects of reactive species of oxygen. Antioxidants have being defined as substances that undergo oxidation prior to another, the first of which would be important to
stay in the state of natural oxidation, and this occurs by different mechanisms (Souza et al., 2007). Nowadays it is of great interest to search for new antioxidant compounds mainly from natural origin. Generally, polyphenols and flavonoids have being associated to antioxidant properties observed in plant extracts. Nanoformulations containing plant extracts represent
an alternative for its use topically.