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How to Wash Period Underwear

Keep your period pants in tip top condition by following these simple steps.

If you’re feeling put off using period pants during your time of the month because of how difficult it seems to wash them, don’t be. It’s much easier than you think.

Period underwear is a great alternative to tampons, pads and menstrual cups. The latter is a good sustainable option but can be tricky to get used to, while tampons and pads contain plastic that wreaks havoc on the environment.

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I’m guilty of simply throwing them in with the rest of my washing, sometimes by mistake.

However if you want to get the most out of your menstrual underwear and help them last for as long as possible, washing them carefully is the most important thing you can do.

It’s not as difficult as it sounds. If you’ve just bought a new set of period underwear, getting into good habits early on is a good idea. Before you know it, you’ll do it every month without a second thought.

So follow our advice on how best to wash yours by following these simple steps.

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How to wash period underwear

After wearing period underwear, it’s important to rinse them under the tap or shower.

You can either hang them up to dry if you’re planning to put them in the washing machine later on, or put them on a delicate cycle straight away.

This should be at a low temperature, ideally 30°C, or you can hand wash them at a low temperature.

woman in white undergarments holding menstrual cup with flowers
Photo by cottonbro studio on Pexels.com

Don’t use fabric softener or bleach, as this will cause them to lose elasticity quicker.

Once clean, hang them up and make sure they’re completely dry before putting them back into your drawer.

Most period underwear companies will send you detailed information about how to wash yours, but this guide will work for all types.

Do you need to wash period underwear separately?

Period underwear can be washed with the rest of your laundry or separately if you prefer.

You can use a mesh bag and pull them out when the wash is done, so you don’t accidentally put them in the tumble dryer with your other items.

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How to get the smell out of period underwear

Many period underwear has antibacterial properties to reduce the odour and bacteria, but if they do smell, Wuka advise diluting white vinegar in a thin layer of water (1 part vinegar, 3 parts water – just enough to cover your underwear) and soaking your underwear for 20 minutes.

Then pop them in the wash with more vinegar, and/or add a few drops of essential oil to the wash.

feminine underwear drying on rope with clothespins on fresh air
Photo by Karolina Grabowska on Pexels.com

Can you put period underwear in the tumble dryer?

No. To keep them at their best, you should air dry them.

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Is period underwear hygienic?

Period pants work very similarly to pads or tampons, and in that sense, they’re just as hygienic.

It’s of course important to note that all of these period products need frequent changing so you don’t encounter any problems.

How you wash and maintain your period pants will also determine how hygienic they will remain.

How often should you change period underwear

It depends how heavy your periods are, but you should be able to wear them all day long with no leaks.

Most menstrual underwear companies such as Thinx, Wuka and Modibodi offer underwear with varying absorbency, so they work for every flow, from light to heavy.

You can usually work out how often you’d need to change them by looking at the absorbency of each pair. So for example, if you change your tampon 4 times a day, you might want to buy Wuka’s Ultimate™ Midi Brief, which holds 4 tampons worth of period flow.

Regardless of how heavy your periods are, you should change them before you go to bed and put a fresh pair on.

How many times can you use period underwear?

Some brands recommend changing period underwear every 12 hours to prevent odour and leakage. If you feel wetness or skin irritation or see blood on your clothing, you should change the pair because the underwear has absorbed all it can.

How long does period underwear last?

According to Thinx, their period underwear will stay at maximum performance for 40 washes, which is around two years.

Our favourites

Fluxies Essential Hipster (Moderate Absorbency)

Essential Hipster (Moderate Absorbency), £18.00, Fluxies – buy now

Fluxies Classic Bikini (Heavy Absorbency)

Classic Bikini (Heavy Absorbency), £28.00, Fluxies – buy now

Thinx Hi-Waist (Absorbency Super)

Hi-Waist (Absorbency Super), £30.12, Thinx – buy now

Thinx air Hiphugger (Absorbency Light)

air Hiphugger (Absorbency Light), £30.12, Thinx – buy now

Wuka Midi Brief - Heavy Heavy Flow

Midi Brief – Heavy Flow, £24.99, Wuka – buy now

Wuka Lace - Hipster Brief - Medium Flow

Lace – Hipster Brief – Medium Flow, £17.99, Wuka – buy now

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