Good genital hygiene for men comes down to a simple daily routine: wash with mild soap and warm water, dry thoroughly, and wear breathable underwear. That combination prevents most of the odor, irritation, and infections that bring people to this search. But the specifics matter, especially depending on whether you’re circumcised or uncircumcised, how active you are, and how you groom.
Daily Washing Basics
Warm water and a mild, fragrance-free soap are all you need. Harsh body washes, antibacterial soaps, and anything with heavy fragrance can strip the natural oils from genital skin, leading to dryness, irritation, and even small cracks that let bacteria in. Wash the shaft, the base of the penis, the scrotum, the perineum (the area between the scrotum and anus), and the inner thighs. These areas trap sweat throughout the day, and the warm, folded skin of the groin is exactly where bacteria and fungi thrive.
If you’re uncircumcised, gently pull the foreskin back as far as it comfortably goes and wash underneath with soap and water. This removes smegma, a buildup of oils from the skin’s sebaceous glands, dead skin cells, and sweat. Smegma is harmless in small amounts and actually helps keep the skin under the foreskin moist, but when it accumulates it can develop a strong odor and become a breeding ground for bacteria. Rinse thoroughly, then pull the foreskin back to its normal position.
If you’re circumcised, pay attention to the ridge where the head of the penis meets the shaft. Dead skin cells and sweat collect along this groove, and a quick pass with soapy fingers during your shower is enough to keep it clean.
Drying Matters More Than You Think
Fungi need warmth and moisture to grow. Jock itch, one of the most common groin problems in men, is a fungal infection that takes hold when the groin stays damp. This is why drying properly after a shower or swim is just as important as washing. Pat the area dry with a clean towel rather than rubbing, which can irritate the skin. Make sure the creases where your thighs meet your groin are completely dry before getting dressed.
If you tend to sweat heavily, applying a light dusting of talcum powder or antifungal powder after drying can absorb residual moisture throughout the day. This is especially useful before workouts. After exercising or swimming, change out of wet or sweaty clothes as soon as possible. Sitting in damp fabric for hours is one of the fastest ways to develop a fungal infection or bacterial overgrowth.
Choosing the Right Underwear
Cotton is hydrophilic, meaning it absorbs moisture and pulls it away from the skin. That makes it a solid everyday choice. Synthetic fabrics like polyester are hydrophobic: they push moisture away from the fabric but keep it close to the skin’s surface, which can create an environment where bacteria grow and odor builds up. If you’re active, moisture-wicking athletic underwear designed for exercise can help during workouts, but switching to cotton or a cotton blend afterward is a good habit.
Fit matters too. Tight underwear traps heat and moisture against your groin, creating the warm, damp conditions that fungi and bacteria prefer. Loose-fitting boxers or well-fitted boxer briefs that allow some airflow are better choices for daily wear.
Pubic Hair Grooming
Whether you trim, shave, or leave things natural is a personal choice, but if you do groom, technique prevents problems like ingrown hairs and folliculitis (inflamed, infected hair follicles).
- Trim first. If hair is long, use a dedicated trimmer to shorten it before attempting to shave. This gives you better visibility and prevents the razor from clogging.
- Exfoliate gently. Before trimming or shaving, a light exfoliation removes dead skin cells that can trap hairs beneath the surface.
- Soften the hair. Shower first. Warm water softens pubic hair, making it easier to cut cleanly.
- Use shaving gel or cream. A generous layer reduces friction and lowers the chance of nicks on thin, sensitive skin.
- Use a sharp, clean razor. Dull blades tug at hair instead of cutting it, which causes irritation. Don’t use the same razor you use on your face.
- Shave with the grain. Going against the direction of hair growth increases the risk of ingrown hairs.
If you notice red, painful bumps after grooming, that’s likely folliculitis. Keeping the area clean and dry usually resolves it within a few days. Switching to trimming instead of shaving eliminates the problem for most people.
Managing Persistent Odor
Some groin odor after a long day is completely normal. Sweat itself is mostly odorless, but bacteria on the skin break it down into compounds that smell. Regular washing and dry underwear handle this for most men.
If odor persists despite good hygiene, it could signal a bacterial skin condition called erythrasma. This is a superficial infection that commonly affects the groin crease, producing well-defined reddish-brown or dark patches with fine scaling and a slightly wrinkled texture. The patches are sometimes mildly itchy, sometimes not noticeable at all, which means it can go unrecognized for a while. Erythrasma is treatable, but it won’t clear up with regular soap and water alone.
Monthly Testicular Self-Exam
A brief self-check once a month helps you notice changes early. The best time is during or right after a warm shower, when the scrotum is relaxed and the muscles holding the testicles are loose. Set aside about five minutes:
- Starting with one side, gently roll the testicle between your fingers, feeling the entire surface.
- Check for any lumps, bumps, hard spots, or areas that feel different from the surrounding tissue.
- Note the size. Slight differences between the two sides are normal, but a noticeable change over time is worth flagging.
- Switch sides and repeat.
You’ll likely feel a soft, rope-like structure along the back of each testicle. That’s the epididymis, and it’s normal. What you’re looking for is anything new: a hard lump, swelling, or a feeling of heaviness that wasn’t there before.
Signs That Something Needs Attention
Most genital hygiene issues are minor and resolve with better daily habits. But certain symptoms point to infections or conditions that need treatment:
- Unusual discharge. Any pus-like or cloudy discharge from the tip of the penis, especially with painful urination, can indicate a sexually transmitted infection.
- Sores or blisters. Open sores, blisters, or ulcers on the penis or scrotum that you can’t explain with a recent injury.
- Persistent redness or rash. A rash that doesn’t respond to keeping the area clean and dry within a week or two, or one that spreads.
- Testicular pain or swelling. Pain or swelling in one testicle, especially if it comes on suddenly.
- Burning during urination. A burning or stinging sensation that persists beyond a day.
These symptoms don’t always mean something serious, but they do warrant a visit to a healthcare provider rather than a wait-and-see approach.