Prevent boob sweat: Experts say moisture control can reduce rashes
Experts say boob sweat cannot be fully stopped, but the right fabrics, powders and creams can cut moisture, friction and rash risk.
By Priya Raghavan · Science Reporter
3 min read
People looking to prevent boob sweat may need to focus on reducing moisture rather than stopping it altogether, according to board-certified nurse practitioners cited by NBC Selected. The advice matters because sweat trapped under and between the breasts can lead to chafing, irritation and painful rashes.
Madeline June, a board-certified nurse practitioner at The Well Westlake, told NBC Selected that sweat collects in the skin fold where each breast meets the chest because the area is warm and covered, making evaporation difficult. She said that buildup can contribute to chafing and may also create conditions for yeast or fungal overgrowth.
Experts cited by NBC Selected said heat, humidity, hormonal changes and tight clothing can make the problem worse. Menstruation, pregnancy, perimenopause and menopause were among the hormonal shifts named in the report, along with bras and clothing made from fabric that does not breathe well.
Can you prevent boob sweat?
Courtney Coons, a board-certified nurse practitioner at PERK Plastic Surgery, told NBC Selected that boob sweat cannot be eliminated completely, because sweating is a normal body function. She said it is common and should not be treated as a sign of poor hygiene.
Experts said the more realistic goal is keeping the area drier and limiting skin-on-skin or fabric friction. That can reduce discomfort and lower the chance of sweat-related irritation.
What products can help with under-breast sweat?
June said soft, breathable bra liners can absorb moisture before it sits on the skin. She advised choosing moisture-wicking materials and replacing a liner once it becomes damp, because a wet liner no longer serves its purpose.
NBC Selected listed More of Me to Love Feel Fresh Bra Liners as its bra-liner pick. The report said the liners are machine washable, made from viscose and cotton, and come in multiple lengths.
Coons said some creams can help by absorbing moisture and cutting friction around the bra band, straps and the area between the breasts. NBC Selected highlighted Lumē Whole Body Deodorant Plus Sweat Control, which the brand says controls odor for up to 72 hours, and Carpe Sweat Absorbing Breast Lotion, which the brand says uses powders including silica to absorb sweat.
June also said body powders can absorb sweat and help the skin feel drier under clothing. NBC Selected named Certain Dri Women’s Body Powder, which the brand says is talc-free and helps with moisture, odor and chafing.
What habits reduce irritation?
June told NBC Selected that people should change out of a sweaty bra as soon as they can and clean the skin. She said damp fabric rubbing against warm skin can cause chafing, while sweat left on the skin may raise the risk of fungal rashes, yeast rashes and breakouts.
Body wipes can help when a shower is not available, according to the report. NBC Selected listed YUNI Beauty Body Wipes, describing them as individually packed, alcohol-free, biodegradable wipes made with aloe vera leaf juice and plant extracts.
The report also pointed to cooling or thermoregulating bras as another option for people who overheat in regular bras. NBC Selected named ThirdLove’s TempSync T-Shirt Bra as its cooling-bra pick.
Experts said there is no single fix that works for everyone. The products and habits that help most may depend on a person’s body, clothing, skin sensitivity and how quickly sweat builds during hot or humid conditions.
This story draws on original reporting from NBC News.