Such products are rigorously tested before they can be marketed. This is precisely where the lymph nodes are located. About 50 percent of breast cancers are in the upper outer quadrant. Women who apply antiperspirant right after shaving increase the risk further because shaving causes almost imperceptible nicks in the skin which give the chemicals entrance to the body from the armpit area. About 1 percent of breast cancers are found in men.
Hormonal factors play a role.
Deodorants or antiperspirants are not cancer risk factors to men or women. Razor nicks can increase the risk of infection, but not cancer. Further, TDH assumes no responsibility for the use of the information provided. Unless otherwise noted on an individual document, file, home page, or the like, TDH grants permission to copy and distribute files, documents and information provided for non-commercial use, so long as they are copied and distributed in the format provided.