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New soap? Switch back to your old one or use a gentle, fragrance-free cleanser (Cetaphil, CeraVe, or Dove Sensitive).
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New laundry detergent? Switch to a “free and clear” hypoallergenic option. Skip fabric softener and dryer sheets entirely.
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Tight clothing? Switch to loose-fitting cotton boxers and breathable pants (not polyester or nylon).
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Friction from exercise? Use a anti-chafe balm (Body Glide or petroleum jelly) before physical activity.
Step 2: Keep the Area Clean and Dry
This is the single most effective thing you can do.
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Shower daily – Use lukewarm water (hot water worsens irritation). Gently pat dry—don’t rub.
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Dry thoroughly – Use a clean towel. Consider using a hairdryer on the cool setting to dry completely between showers.
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Change underwear twice a day – Especially if you sweat. Fresh cotton boxers absorb moisture better than synthetics.
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Use a moisture-absorbing powder – Cornstarch-based powders (not talc) can reduce friction and keep skin dry.
Step 3: Apply the Right Treatment for Your Cause
This is where men often get it wrong. You have to match the treatment to the cause.
For jock itch (fungal):