Use antiperspirant—yes, under your boobs
While it may seem strange to apply an antiperspirant anywhere other than your underarms, it works, Dr. Hazen says. "Antiperspirant can be used anywhere—on your feet, hands, and even under your bra," she says.
Soma Mandal, M.D. says perspiration can occur whenever skin creases or folds. “The skin under the breasts also isn't exposed to air,” she tells Bustle, which is another reason why moisture tends to accumulate in this area.
The perspiration (sweat) comes from the glands of your vulva, the outer part of the female genitals—not your vagina, which is internal. Sweating in the vulvar area kicks in after a tough workout, on a humid day, or after sitting in a warm seat at work for long periods.
In hyperhidrosis, your body's sweat glands overact. This overactivity causes you to sweat a lot, at times and places where other people wouldn't. Sometimes, a medical condition or emotion (like anxiety) triggers excessive sweating. For many people with hyperhidrosis, managing symptoms can be a constant challenge.
It is also absorbent, so in a way, baby powder will absorb sweat. It will also reduce friction, help keep your skin cool, mask odor, and act as an extra layer of protection for your skin. Essentially, baby powder can absorb sweat and also help in lowering sweat production.
The sweat under breasts is secreted by the apocrine glands, while sweat from the rest of the body is produced by eccrine glands. Apocrine glands in the skin are scent glands, and the sweat they produce is thicker and typically has odor.
Plus, moisture can more easily become trapped beneath or between the breasts, what's called 'underboob sweat. ' Underboob sweat can be particularly bothersome as the skin beneath the boobs is very delicate and can chafe easily. Breast sweat in itself is not something to worry about.
Under-breast soreness (Intertrigo) is a very common problem where moisture and friction can cause redness and pain in the under-breast fold. Although anyone can get it, it is most common in women who have large breasts or sweat a lot. The main causes are a sweat rash with –“skin to skin”- rubbing and moisture.
Use an Anti-Chafing Powder
This boob-rub friction also creates heat, which kicks the sweat into overdrive. Baby powder is a popular choice for absorbing sweat, reducing odor, and guarding against rashes and chafing.
Heat, sweat, and friction in the crevasses under your breasts, (a.k.a., your “under boob area”) not only make you stink, they make your clothing wet. This area is a breeding ground for itchy rashes and unattractive, red bumps.
The pads do technically work, and as long as they stay applied it's unlikely that any noticeable sweat stains will appear on your underarms - although they may not always stay put like they're supposed to. Besides that, the pads can make socializing and dating awkward, which is exactly what they're meant to prevent.
The characteristic odor is due to bacterial decomposition of the oily fluid." But there is hope: see a dermatologist for topical antibiotics Dr. Alexiades says, or try a sweet smelling deodorant to mask the problem temporarily.
In a person with apocrine chromhidrosis, lipofuscin causes discoloration as part of the natural process of creating sweat. Certain situations stimulate the apocrine glands and make this discoloration more likely to occur: friction against the skin. hot showers or baths.
Uncomplicated, uninfected intertrigo can be treated with barrier ointments, such as petrolatum (such as Vaseline) and zinc oxide (such as Desitin). Applying cotton compresses saturated with a drying solution such as Burow's solution to the skin folds for 20 to 30 minutes several times a day can also help the rash heal.
The most common reason for itchy breasts is probably dry skin, so taking measures to remove irritants and add moisture is your best approach to this problem: Switch to an unscented skin cleanser designed for sensitive skin.