Men's sweat, including that which can accumulate around the buttocks, has a distinctive smell that can vary based on several factors, including diet, hygiene, genetics, and the presence of bacteria. Sweat itself is mostly odorless, but when it comes into contact with bacteria on the skin, it can produce a variety of odors.
Typically, the smell can be described as musky or slightly sour. Certain factors can intensify the odor, such as:
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