When it comes to controlling underarm odor, we know the basics - sweat, bacteria and hygiene all play an important role. But did you know that there are unexpected factors that can affect your underarm odor? We covered this topic in Part 1 , Unexpected Factors That Affect Body Odor, we'll dig deeper here with the sneakier culprits.

Medicines and functional foods: Unforeseen effects

Some medications and supplements may surprise you with their impact on underarm odor. Some medications, such as antibiotics, can change the balance of bacteria on the skin, leading to a change in odor. Additionally, supplements like garlic, fenugreek or even certain vitamins can give your sweat a characteristic odor. If you notice an unexpected change in your underarm odor after starting a new medication or supplement, you should discuss it with your healthcare provider.

Diet: Foods with strong odors

We all know that foods like onions and garlic can make your breath less pleasant, but did you know they can also affect your underarm odor? Compounds in these spicy foods can be excreted in sweat, making the food smell worse. Similarly, spicy foods also have the same effect. So while you shouldn't give up your favorite foods, maintaining a balanced diet can help you control underarm odor.

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Hormonal changes: related to menstruation

Hormonal fluctuations throughout the menstrual cycle can affect the smell of your sweat. During premenstrual and menstrual periods, increased progesterone levels can cause your body to sweat more, leading to stronger underarm odor. In addition, hormonal changes can affect sweat gland activity, changing the composition of sweat and contributing to different odors. So don't be surprised if you notice armpit odor changing throughout your menstrual cycle - it's a natural part of life.
Clothing choice: Breathable factor

Your clothing choices can also affect your armpit odor. Tight, synthetic fabrics can restrict airflow and trap sweat, creating a breeding ground for odor-causing bacteria. Breathable fabrics like cotton or moisture-wicking materials allow air to circulate, keeping your underarms cool and less odor-prone.