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Are period knickers worth buying? Do you use them?

109 replies

AmaniVibes · 24/11/2025 18:43

Instead of using pads or tampons, I thought I would try period knickers. However, I'm a bit wary of buying unknown brands.

Any recommendations? Are they good for heavier flows? Easy to wash?

Thanks

OP posts:
ticktockitsNCtime · 25/11/2025 12:11

estrogone · 25/11/2025 10:45

This happens if you use fabric softener. 90 degree wash with no detergent and a cup of white vinegar will sort it out.

I’ve never used fabric softener in my life!

reluctantbrit · 25/11/2025 12:22

LaddersAndLadders · 25/11/2025 10:13

They seem like a great idea but I worry about the PFAS even with bamboo ones, undisclosed silver and whatnot chemicals of them but maybe that's the same with sanitary products in general?

When I used pads I often had an itch, especially when the heavy days were over, it went away when my period was over. I never had any of it when wearing the pants.

A pad which is basically just plastic is worse in my opinion.

Mokeytree · 25/11/2025 12:47

I gave a pair of modibodi ones and love them as I can wear then with leggings to do sport without worrying about lumps or leaks. I never used tampons. I can wear a pair all day with no smell or leaks. I bought another pair as they are handy for night time as well as they don't move about.
I started with washable pads which I still use but the knickers are better.
I don't soak or prewash them or the pads they just go in washing machine then in dryer haven't had any issues with this.

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Awishcometrue · 25/11/2025 20:09

reluctantbrit · 24/11/2025 20:21

I loved them. I started when I was peri and had really heavy periods and soiled more than one bedsheet.

They were a game changer, DD moved to them as soon as her period started 6 years ago.

I love that there are so many levels, from very light to heavy that I didn't have to change for a full day.
I used a pad when I had an office day, started at 6.30am at home, removed that around 10am and carried on the rest of the day just with the heavy flow pants.

We use Modibodi, also their swimwear/bikini bottoms. I have some M&S as well but they aren't the best for a heavy flow.

In the 5 years I used them I had one small leak.

Do you think these would have enough durability to be used along side a tena pad? For my mam shes in her 70's and really struggling atm with an awful cough that is making her loose control of her bladder, she is using the always pants for bed but would like something a little more discreet for daytime use

Mookie81 · 26/11/2025 16:15

AmaniVibes · 24/11/2025 21:14

Thank you all.

I'm peri, so my periods are sometimes heavy and light.

I have Primark and M&S near me. Do I buy Modibodi online?

Modibodi online, and they have reductions at the minute.
Their seamfree maximum flow have a panel all the way from front to back, I use a pair overnight, and change for during the day. I have about 6 pairs which get me through a 5 day period with a wash in between, so ideally 8-10 pairs. Have coped extremely well with my heavy peri flows, no leaks.
If you're heavy, rinse the blood first. Then I wash on a short 30 degree wash with handwash liquid. I've never looked back.

Tiredofwhataboutery · 26/11/2025 16:30

I use a moon cup so period pants are a back up protection against flooding, joys of peri menopause. I’ve gone cheap , Aldi do them in the middle aisle sometimes. It was 7.99 for three pairs.

reluctantbrit · 26/11/2025 20:21

Awishcometrue · 25/11/2025 20:09

Do you think these would have enough durability to be used along side a tena pad? For my mam shes in her 70's and really struggling atm with an awful cough that is making her loose control of her bladder, she is using the always pants for bed but would like something a little more discreet for daytime use

You mean a small leak or a case of not holding at all? For a small leak it should be fine, they won't hold if you can't make it to the toilet at all.

Figroll16 · 26/11/2025 20:29

Modi body are great -I also rate Nixibody as they do seamless ones that aren’t visible under gym wear (I find most other brands are)

Zapx · 26/11/2025 20:49

I have extremely heavy periods. The heaviest modibodi ones I have don’t stand a chance on days 1 and 2. I do use them the rest of the week though, as they’re more comfortable than anything else I’ve used 🙂

LilacPony · 26/11/2025 20:52

M&S. god send! If im out all day I’ll wear period pants but start off with a heavy pad in them. When that’s done with I take the pad off and do the rest of the day in just the pants and it works perfectly.

VikaOlson · 26/11/2025 20:54

I have M&S ones and just wash at 40c and tumble dry 😂They seem to have survived though!

Mumsknot · 26/11/2025 20:59

I use the m and s ones and also wash and dry. I’m 52 now and still getting periods and these are the only things that have made my life easier 😂. Every month I think why the f are my periods still here and then I think well at least all I have to worry about is enough pants rather than pads and tampons etc etc

Waitingfordoggo · 26/11/2025 21:12

I love them- I have some from M&S, Sainsbury’s and Modibodi. My young adult DD loves them too- I think she has the same brands as me.

We both have quite heavy flow so we use them for back-up. DD uses tampons and pads and I use a Mooncup. I love my Mooncup but can still get leaks, so the period pants make me feel really secure.

Hendersso · 26/11/2025 22:29

I use them at night but find tampons less messy for daytime. My teen prefers pads for daytime and pants for night. I had a nightmare with a coil and had heavy periods and couldnt have worn the pants alone wore them as well as tampons. But thankfully nightmare coil has gone and normality has resumed!

MidnightMeltdown · 26/11/2025 22:31

I have some but I wouldn’t wear them when in full flow at the start of my period. I use them towards the end of my period when it’s lighter. Those days when you’re not quite sure whether or not you still need a pad.

They are also useful as ‘precautionary’ pants - when you’re not sure exactly when your period will start.

WestwardHo1 · 26/11/2025 22:51

ModiBodi think blokes can menstruate.

HappyHedgehog247 · 26/11/2025 23:06

Modibodi were the first pair I bought and were a game changer. I tried some cheeky wipes then but didn't like them as much. My modibodi last years. Rinse in cold water, throw in machine (no fabric conditioner). So comfortable!

rainbowsparkle28 · 26/11/2025 23:10

I have used Wuka, modibodi and flo and generally all been good. Admittedly I tend to more use them at night as don’t really like the feeling of feeling of knowing am bleeding (not that the pants do this but just by virtue of not being something internally) but totally could wear them during day if you preferred and particularly the modibodi overnight boyshorts I wear for night. I find them the most breathable of any and super comfy, absorbency good no issues with leaks and so much more comfortable than annoying pad that bunches and moves and feel more secure as they are reasonably snug. Would recommend getting a few pairs and see how you get on. Care of them also has not been difficult at all, rinse through with cold water until runs clear then washing machine 30, non bio with no fabric conditioner and air dry, super simple.

Ohthatsabitshit · 26/11/2025 23:19

Modi bodi are brilliant and definitely can take very heavy flow. So nice not have to get up in the morning to disaster and so easy. I don’t really faff too much, just take a pair in my bag in the wet bag pencil case size. If I need to change mid day then I just take the clean one out and put the dirty one in. I stick them in the washing machine on the cold rinse cycle when I get home and then they go in with normal laundry. Absolutely a game changer for going out and about with my disabled son as I can’t use the loo without him and so we were pretty much housebound one week in four.

GovernmentFundedSteak · 27/11/2025 09:18

WestwardHo1 · 26/11/2025 22:51

ModiBodi think blokes can menstruate.

No they dont. Their men's pants are "moisture wicking"

Robotindisguise · 27/11/2025 09:23

Yerdug · 24/11/2025 21:29

Please can someone explain these pants?
I dont get it - where do all the bits and blood go? Does these pants have built in pads? How do they not leak? How do you not smell? Are you supposed to wear them all day?

I had no intention of using them as I thought they were weird but DD is autistic and when she started her periods got distressed at the sight of the blood on the white sanitary towel. I bought some black period pants as a result.

Honestly, I’m such a fan now. DD2 started her periods recently unexpectedly early and I went and bought her some that day, when she changed from the pad she’d been wearing to get first pair of period pants she said “oh wow that’s so much better!” We use M&S.

The absorbency varies but is about the equivalent of two pads. At the end of the day you have to rinse them in cold water (which I do in the machine having first cancelled the spin, so 10 minutes later they are rinsed but wet in the bottom of the drum) then move straight to a normal wash cycle without fabric conditioner. The girls have two small bins in the bathroom, one for rubbish and another one for dirty period pants, when they’re on their period I’ll do a load every 36 hours or so.

If your flow is moderate you can wear them all day, if heavier you might need to change and that can be difficult at school/ work - DD takes a clean pair in in a zip lock bag, when she changes them the dirty ones go in the bag.

Waitingfordoggo · 27/11/2025 11:23

WestwardHo1 · 26/11/2025 22:51

ModiBodi think blokes can menstruate.

I bought mine before I’d seen the nonsense on their website 😔

Waitingfordoggo · 27/11/2025 11:24

GovernmentFundedSteak · 27/11/2025 09:18

No they dont. Their men's pants are "moisture wicking"

There is a section on their website about transwomen’s periods and how women should be nice and supportive to their TW friends who are having a period.

GovernmentFundedSteak · 27/11/2025 12:50

Waitingfordoggo · 27/11/2025 11:24

There is a section on their website about transwomen’s periods and how women should be nice and supportive to their TW friends who are having a period.

Oh apologies. I haven't seen that. They are still the best period pants I've tried unfortunately.

Yerdug · 27/11/2025 20:54

Robotindisguise · 27/11/2025 09:23

I had no intention of using them as I thought they were weird but DD is autistic and when she started her periods got distressed at the sight of the blood on the white sanitary towel. I bought some black period pants as a result.

Honestly, I’m such a fan now. DD2 started her periods recently unexpectedly early and I went and bought her some that day, when she changed from the pad she’d been wearing to get first pair of period pants she said “oh wow that’s so much better!” We use M&S.

The absorbency varies but is about the equivalent of two pads. At the end of the day you have to rinse them in cold water (which I do in the machine having first cancelled the spin, so 10 minutes later they are rinsed but wet in the bottom of the drum) then move straight to a normal wash cycle without fabric conditioner. The girls have two small bins in the bathroom, one for rubbish and another one for dirty period pants, when they’re on their period I’ll do a load every 36 hours or so.

If your flow is moderate you can wear them all day, if heavier you might need to change and that can be difficult at school/ work - DD takes a clean pair in in a zip lock bag, when she changes them the dirty ones go in the bag.

Ah thank you for explaining. Thats really helpful and i will consider them for my daughter if she wants to try them when the time comes.