In all of these situations, friction and wear and tear go to work on the penis (and especially the ultra-sensitive nerves in the glans). Two things generally happen. First, Ereccion Total the excess friction causes tiny, thin layers of scar tissue to start to build up. Over time, these layers form a "buffer" between the nerve endings and the source of stimulation, causing de-sensitization. In addition, the nerves themselves experience some damage which prevents them from operating at maximum efficiency.
Clearly, it's important that a man takes sensible steps to prevent this loss of sensation, such as using sufficient lubrication during sexual activities and protecting the penis from excess exposure to rough fabrics and surfaces. But it also pays to make sure that the penis is getting its proper share of vitamins.
Vitamin E. Keeping the penis skin well moisturized helps to prevent damage from excess friction; in addition, dehydration itself can lead to toughening of the skin, which affects penis sensitivity. Vitamin E is one of Nature's most effective moisturizing agents.