9 Best Period Underwear Brands That Testers Swear Are Leak-Proof

Dr. Ambardjieva notes that Aisle tends to be “kinder to the skin” and may “reduce the risk of irritation, especially in people with recurrent vulvar infections or sensitivity.”

The best cotton: Saalt waterproof cotton briefs.

• What we love: Made from soft and biodegradable natural cotton fiber; super thin; true to size; no visible panty line
• Worth noting: May not be able to withstand difficult days

While Saalt first gained popularity with its reusable menstrual cups, the company has expanded its reach to include maternity underwear. And many of our readers trust them. “I’ve had them for over a year now, and they still look like new,” says the designer. Ira Lyza.

Another Glamor A tester echoed her rave review: “I'm a mom of three, and after three vaginal births, I developed a deep aversion to tampons, so I went on a quest to find menstrual underwear. Saalt is the best; [they’re] so comfortable and absorbent [they have the] Longest wear time and they hold up very well. It doesn’t look like you’re wearing vintage underwear.”

Made from soft and biodegradable natural cotton fiber, Saalt's panties feel just like your regular underwear (the company says they're the “thinnest” leak-proof underwear you'll ever wear, making them a great everyday option whether you're lounging at home or running errands).

They hold up to three swabs of liquid and provide full coverage so you don't have to worry about leaks. If you have heavy flow, Saalt also sells Heavy and Super Heavy absorbency. cotton underwear.

Best on Amazon: Bambody Absorbent Briefs

• What we love: Provide full coverage without feeling like “granny panties”; highly absorbent gusset; elastic waist; Great for teens, teens and adults
• Worth noting: Hang to dry (do not put in dryer)

If you're trying period underwear for the first time and don't want to spend a fortune, Bambody absorbent briefs are a good inexpensive option to consider. You can also save money by buying underwear in packs of three or five.

“They're not as fancy as premium models, but in terms of basic protection they do the job,” says Charbonnier. “I use them as a backup pair or on lighter days.”

They're made from breathable bamboo material with a three-layer wicking gusset that can hold up to four swabs of liquid—enough for reliable backup or light days, and potentially enough for days with moderate flow. And as for leakage, you can wear it for about eight hours without worrying, depending on your leakage.

They're not as bulky as vintage underwear, so you can feel confident wearing them under leggings or other fitted clothing.

Best disposable: Rael disposable underwear.

• What we love: The top layer is made from 100% certified organic cotton; Super absorbent core keeps you feeling dry; We offer full coverage
• Worth noting: Not as eco-friendly as reusable options; not restrained; bulky

Disposable period panties aren't exactly sexy, but they are are comfortable.

“I especially love them when I'm on vacation because I don't have to worry about squeezing out the blood, hanging it to dry, and then packing it back in my suitcase—it's like a girly period-wearing vacation,” says Michelle Agudelo, a certified infertility educator and menstrual health specialist at the clinic. House of Flow.

Each pair is made from 100% certified organic cotton that's soft and gentle on the skin, plus a super-absorbent core that locks in liquid to keep you dry and comfortable all day and night long. They are ideal for women with heavy flow or for overnight use as they hold up to four regular pads.