You obviously want to always smell good down there, but there will be times when you probably won't, particularly at the end of a heavy day. 

However, if not smelling good down there is a regular occurrence you should check this out. ( https://www.mensxp.com/grooming/wellness/50404-how-to-smell-good-down-there.html ) 

Alternatively, if you find your underwear stinking constantly, then here's what you can do about it.

1. Always Choose Cotton

In terms of the fabric for your briefs, always choose cotton. Other synthetic fabrics not only have a tendency to stink more but can also produce rashes and become a breeding ground for bacteria. If you find yourself itching your balls too often, you should read this. ( https://www.mensxp.com/grooming/wellness/50566-how-to-get-rid-of-itchy-balls-or-jock-itch.html )

2. Don't Reuse Your Underwear

Instead, wash it. Have at least seven pair of underwear in your wardrobe so you never have to reuse your underwear again, Make sure you're washing and never using reused underwear.

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3. Clean Up Well

After taking a leak, a few drops might end up wetting your underwear and subsequently making it stinky. Clean up well by making use of the tissues in the washroom. Don't just stare at them.

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4. Washing The Underwear Well

Make sure you're washing the underwear well. If you find that the washing machine efficacy barely amounts to anything, wash them yourself on hand. This helps in making the washing more effective.

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5. Get Rid Of Your Underwear After Six Months

After six months, your underwear is probably worn out already, get rid of it. You need a change of underwear every six months so that you don't drag around briefs are already worn out and destroyed. 

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