I’m a cosmetology student, I need to do work relating to the behavior of the skin, my question is: why we age? Thanks
Living things need oxygen but its metabolism produces free radicals, which are natural waste. These molecules are highly reactive chemical that oxidizes the cell, as if it were an old iron exposed to the weather. To avoid the proliferation of free radicals have cells that activate antioxidant mechanisms. Over time these mechanisms begin to fail and there are a greater accumulation of free radicals which deteriorate the cell. The most visible consequence is the appearance of wrinkles but it is the same at all levels of our body, so systems are disrupted energy production in cells, causing physical and mental fatigue.
The cabin treatment step by step
Infusion
If you’re like me, to apply makeup every day, rain or shine. But this is really good for your skin makeup? Of course not, say some experts, who note that traditional makeup contains substances that can clog pores, causing skin rashes and irritation, and lead to problems with pH balance and oiliness.
During pregnancy, 
More and more people cared as much as possible to enjoy good health, in a first step, and a good image to others. Today we have a range of cosmetics and natural medicine for regulating our body inside and out and make us feel better about ourselves.