Although there are many diseases that can affect the skin, the most common problems are mainly the damage caused by exposure to radiation and in particular those induced by ultraviolet (UV).
With the changes of stratospheric ozone in the atmosphere, it is clear that the effects of solar radiation are much more dangerous than before.
There are many factors that cause cellular damage to the skin and cause skin aging over time: among them is to remember the oxidative damage caused by free radicals and the consequent exposure of sunlight, smog, toxins, smoke Cigarette and other factors.
The response of skin to these negative stimuli is different depending on age: the young skin has cellular energy (adenosine triphosphate) which is sufficient for DNA repair and cell renewal, also enzymes that perform antioxidant activity are readily available.
With age instead reduces the energy sources suitable for repair and renewal of cells, and antioxidant enzymes are less available.
Free radicals are considered one of the main negative factors and underlying cause skin aging.
