Hot take incoming: Boob sweat is actually a good thing—at least from Mother Nature’s perspective. 

Whether you’re raving in the desert or suffering through a hot yoga sesh, your girls start sweating to cool the surface of your skin. But if you’re reading this, you know boob sweat can quickly spiral out of control.

Boob sweat stains aren’t exactly flattering, not to mention you feel gross spending your day with a soupy set of cans—or as one clever gal called them, “humidititties.” Luckily, you’ve got options to tame your underboob sweat.

In this article, we’ll break down the science behind why your boobs sweat so much and give you nine tips to keep your girls dry.

Why Do Boobs Sweat So Much?

Technically, your boobs don’t churn out any more sweat than the rest of your body. Any time your body temperature increases, your sweat glands activate to cool off the surface of your skin. 

Sorry for sounding like a know-it-all. We’re just trying to help you out here. 

The reason your boobs sweat “more” is because moisture gets trapped between the skin folds of your boob and torso, preventing air from evaporating the sweat. Throw a bra on top of that heat trap and you’ve got a perfect storm for sweat buildup.

Boob sweat tends to be a bigger issue (no pun intended) for women with large breasts, but nobody is 100% safe from underboob sweat—especially during hot days, intense workouts, or hot flashes.

Underboob sweat isn’t just annoying—it can cause nasty skin issues too. Left unchecked, breast sweat can cause itching, chafing, rashes, and a nasty yeast infection called candidiasis. Fortunately, we’ve got a bunch of tips to keep the twins dry.

9 Tips to Stop Boob Sweat

We’ve got everything you need to know about stopping boob sweat—and it all starts with choosing the right bra.

1. Wear a Micromodal Bra

Cotton bras are sabotaging your ta-tas. Micromodal is the ultimate fabric to fight boob sweat. This special type of rayon is 50% more absorbent than cotton, so it can soak up your boob sweat like a sponge.

Micromodal is also twice as soft as cotton, so your boobs won’t chafe when they’re nestled against the bra.

In a perfect world you could let your girls hang free every day. We got pretty damn close to that feeling with the Culrprit ComfyBra and Scoop Bra. These puppies are soft and absorbent AF, but the best part about these bras is that it doesn’t feel like you’re wearing one.

2. Use Antiperspirant Under Your Boobs

Antiperspirant deodorant isn’t just for your underarms—it’s for your underboobs too. Do a quick swipe beneath your boobs to tame your sweat glands.

If you have sensitive skin, opt for an alcohol-free antiperspirant and do a test run before you lather up the ladies.

3. Try a Bra Liner

The women of Reddit have spoken, and the verdict is clear: bra liners are an easy hack to stop boob sweat from ruining your day. These inserts go between your bra and skin to absorb sweat and stop moisture from pooling up under your boobs.

“I use them for long workouts, hikes, or days when I know I’ll be sweaty and won’t have a chance to change,” says one chick. “You just wear it under the bottom of your bra and take it out when it’s soaked with sweat, replace with a fresh one if you need. They’re washable and reusable.”

You can buy cotton bra liner inserts on Amazon. But in a pinch you can also use a panty liner, Maxi pads, a rag, or a folded bandana.

4. Use Talc-Free Body Powder

Body powder isn’t just for dudes’ balls. 

Dusting some body powder around your breast area will help absorb any excess moisture that accumulates under your bra. (Just make sure you’re using talc-free powder).

If you can’t track down any body powder, you can also use baby powder or even corn starch. 

5. Wear Breathable Shirts

Tight clothes trap heat inside your body. If the forecast calls for steamy weather or you’re getting active, wear loose-fitting, breathable fabrics over your bra. The ideal fabrics are linen or cotton.

6. Wear Lighter-Colored Clothes

Light-colored clothes are the new black—at least if you’re trying to prevent boob sweat.

Sure, dark fabrics might hide sweat stains, but they also absorb heat, which makes you sweat more. Instead, wear white to reflect those UV rays.

7. Go Braless

Going braless can keep boob sweat to a minimum, since there’s not an extra layer of fabric trapping heat and moisture in there. The science is simpe: more air circulation equals less boob sweat.

As long as you’re not afraid of nippin’, don’t be afraid to let the ( . )( . )s out every once in a while.

8. Avoid Body Oils

Skincare “gurus” on TikTok are slinging argan oils and lotions, which are supposed to control underboob sweat. But scientists would like to have a word with them…

Apparently argan oil creates a breeding ground for yeast infections as well as contact dermatitis and other skin issues we’d prefer not to think about.

Save the oils for the massage table.

9. Talk to Your Doc About Topical Treatments

Everybody’s boobs sweat. It’s totally normal. But if you can’t get your boob sweat under control, it might be worth a trip to the dermatologist. 

They can determine if you’re dealing with something like hyperhidrosis (a condition that causes excessive sweating) which can be treated with clinical strength antiperspirants.

Say Bye to Boob Sweat with Culprit Bras

Mother Nature is a biotch for inventing boob sweat. We did our best to rebel against her with the Culprit ComfyBra. It’s more breathable than oxygen itself and so soft you’ll feel like you’re naked.

Looking for more support? Go for the Scoop Bra. It’s got a higher neckline that offers more support than a group chat with your besties. No underwires, no fasteners, no straps—no boob sweat either.

Do your tits a favor and buy one (or a bunch) today.

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