The Rise of Period Underwear
In recent years, sustainable and eco-friendly menstrual products have been on the rise. One popular option that has emerged are period panties - also known as menstrual underwear, leakproof underwear, or reusable underwear. These are specialty underwear designed to be worn during menstruation to absorb flow and prevent leaks, taking the place of disposable pads and tampons.
Period panties offer an appealing alternative to conventional menstrual products for several reasons:
- They are reusable - just wash after use and wear again, saving money and reducing waste compared to throwing away pads/tampons every month.
- They prevent leaks by absorbing menstrual blood into the fabric.
- They are comfortable - the absorbent portion is right up against you rather than sitting in underwear like a pad.
- No chafing or irritation compared to pads.
- More discreet than pads or tampons - you can't see them under clothes.
The popularity of period panties has grown steadily over the past decade thanks to startups like Thinx, Knix, Modibodi, and others pioneering this new category of feminine hygiene. With increased consumer interest in sustainability, reusable and plastic-free products, period panties seem poised to continue gaining converts looking for an eco-friendly alternative to disposable period products.
How Period Underwear Works
So how exactly does menstrual underwear absorb fluid and prevent leaks? The secret lies in the design and materials used:
- Absorbent layers - Period panties have a built-in absorbent portion in the crotch, consisting of layers of moisture-wicking and absorbent fabrics like cotton, modal, or microfiber. Some also includeLeak barriers - The absorbent layers are backed by a leak-resistant barrier made from waterproof fabrics like polyester or nylon to prevent fluid from passing through.
- Antimicrobial treatments - Many are treated with antimicrobials like silver salt to eliminate odors and bacteria growth.
- Moisture-wicking fabrics - These pull fluid away from the skin into the absorbent core, keeping you dry and comfortable.
- Snug fit - Period panties are designed to fit closely against the body to prevent leaks and movement of the absorbent section.
Together, these features allow period panties to rapidly absorb menstrual blood on contact. The fluid is locked into the absorbent core rather than spreading across the underwear or leaking through. After use, the panties can be rinsed and laundered like regular underwear, and the absorbent layers will release the fluid so it can be washed away.
Top Period Underwear Brands
There are now dozens of companies offering reusable menstrual underwear. Here are some of the top brands to consider:
Thinx
One of the first companies to specialize in leakproof underwear, Thinx offers a wide selection of styles in sizes from XS to 4X. Their panties come in thong, bikini, brief, short, and boyshort cuts, available in both light and super absorbencies. Thinx uses a combo of moisture-wicking cotton, absorbent microfiber, and leak-resistant fabrics. They also have an organic cotton line and sport collection.
Knix
Knix produces leakproof underwear, bras, and swimwear using modern fabrics like modal and Suprelle for softness and durability. Their period panties come in thong to high-rise brief styles, with absorbencies ranging from light to super. They also have an organic cotton line, teen collection, and seamless styles.
Modibodi
An Australian brand, Modibodi has a wide selection of absorbencies from minis for light days to maxis for heavy flow. Made of merino wool, Modal, and recycled microfiber, their underwear comes in bikini, boyleg, midi, and seamless cuts. They also offer leakproof swimwear, maternity wear, and apparel for teens and tweens.
Ruby Love
Specializing in eco-friendly menstrual products, Ruby Love's underwear features an organic cotton liner with leak-resistant PUL backing. Their panties come in bikini, hipster, and high-waist styles in regular and plus sizes. Light, medium, and heavy absorbencies are available as well as overnight and postpartum designs.
Aisle
Aisle focuses on comfortable, minimalist period panties in timeless nude shades. Their underwear is made with organic cotton, recycled materials, and moisture-wicking layers. Each has a built-in anti-microbial liner, available in regular or super absorbent. Styles include bikini, brief, thong, and boyshort.
Bambody
Bambody specializes in bamboo viscose period underwear that is ultra-soft and lightweight. Their panties feature leak-proof layers and moisture-wicking performance fabrics to lock in fluids. With options for teens, maternity, postpartum, overnight, and plus size, they have an extensive collection of absorbencies and styles.
Flux
Flux offers a wide range of leak-resistant underwear made with sustainable materials like recycled PET bottles, organic cotton, and fair trade factories. Their absorbent briefs, bikinis, thongs, and boyshorts handle light to super heavy flow. They also have plus size and discreet reusable liners.
How to Choose the Best Period Underwear
With so many brands available, it can be tricky deciding which period panties are right for you. Here are some tips for choosing the best option:
Consider your flow
Pay attention to absorbency levels, which typically range from light to medium to heavy or super. If you have a heavy flow, choose a higher absorbency panty. You may need different absorbencies for different days of your cycle. Many brands recommend wearing a pad or tampon along with light absorbency underwear.
Find the right fit
Brands offer a range of sizes from XS to plus. Measure your hips and waist to determine the best size according to specific sizing charts. Period panties should fit snugly against your body - too loose and they may leak.
Pick comfortable styles
Look for cuts that you find most comfortable like bikini, hipster, or boyshort. Seamless styles and breathable fabrics can also enhance comfort. Opt for cotton lined gussets if you are prone to irritation. Try a few styles and see what works best for your body.
Read reviews
Check out customer reviews and feedback to gauge real world performance. Look for details on absorbency, leaks, fit, comfort, and durability from those who have tried the product.
Compare costs
Prices range widely from $10 to $50+ per pair. Calculate cost per use - a $30 pair that lasts 24 cycles is cheaper than a $10 disposable pack each month. Also factor in subscription discounts many brands offer.
Using Your Period Panties
Once you've chosen the right absorbency and style, getting the most out of your period underwear comes down to proper use and care:
Track your cycle
Wear your highest absorbency pairs on your heaviest days, switching to lighter ones as flow decreases. Planning ahead takes guesswork out of when to change and wash them.
Change frequently
Swap out period panties at least every 12 hours, or more often on heavy days. This prevents odor, leakage, and saturation of the absorbent layers.
Rinse after use
Rinsing blood out after removal preserves the undies and prevents staining. Soak in cold water before washing.
Follow washing guidelines
Most recommend cold water, gentle soap, and line drying. Never use fabric softener or bleach - it damages the waterproof lining over time.
Have back-ups
Keep extras on hand
FAQs
How long can you wear period panties for?
It's recommended to change your period panties at least every 12 hours. For heavy flow days, you may need to change more frequently, around every 4-6 hours. This prevents leaking, odor, and saturation of the absorbent layers.
Do period panties have an odor?
Period panties are designed to lock in fluids and odors. As long as you change them regularly, they should not retain any noticeable odor. Rinsing after use and proper washing also helps prevent bacteria growth that causes odors.
Can you wear period panties overnight?
Most brands make specific absorbencies for overnight use that hold more fluid. For heavy nights, you can double up with a pad or tampon and period panties for extra protection. Just be sure to change first thing in the morning.
Can period panties cause infections?
When used and cared for properly, period panties are no more likely to cause infections than other menstrual products. Be sure to rinse and wash frequently, change regularly, and allow them to fully dry between uses.
How long do period panties last?
With proper care, high quality period panties can last 2-5 years generally. Look for brands that offer 1+ year guarantees on leaks. Avoid wearing or washing them in ways that degrade the moisture barrier over time.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.
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