First among the reproaches which often impose deodorants and antiperspirants - this is because of what they, in general, and apply - because they block the sweat glands. They say that it's bad, because sweat - a natural physiological phenomenon, and the person does not give the body to get rid of harmful substances, in violation of his work. It may be objected that most people use antiperspirants armpits while they sweat all over. Such a small portion as the armpits can not be decisive for our body. Therefore, this criticism is likely to far-fetched.
Other criticisms are more serious. For example, the presence of aluminum salts, which may cause cancer, breast cancer and Alzheimer's disease and disruption of estrogen. It's hard to tell how serious harm from the amount of substances in antiperspirants, but if you are very concerned about their health, then you will be safer to abandon their use and deal with then folk remedies.
Antiperspirants and deodorants that contain alcohol can dry the skin and an irritant. In people with hypersensitive skin alcoholic deodorants can even cause inflammation of the sweat glands.
Also deodorants are those substances which may be harmful - titanium dioxide, paraben, nitrosamine. It is alleged that they can cause cancer. Do not use antiperspirants and deodorants often than it is written in the instructions for use.
Dry odor control agents can cause blockage of the sweat ducts and irritation. Therefore it is better to alternate their use with gelled or sprays.
It is not recommended to use these tools before going to the beach or in the solarium, better apply deodorant wipes.
It is worth remembering that the unpleasant smell is not the sweat and bacteria that thrive in warm and humid environment. Therefore, the best fight odors - the content clean body. None of deodorant will not help if you have not washed and did not attend the shower.