Thoughts on Thinx

I bought two pairs of this special underwear called Thinx that’s meant to be worn when you have your period. The underwear has an absorbent and odor-neutralizing crotch panel that can absorb a tampon or two’s worth of menstrual blood (depending on the style of Thinx you choose). In theory, you can go without tampons or pads at all and just wash and reuse the underwear.

In short, did they work? Yes. They are probably not for everyone, however.

This is a pretty long post and has a lot of details in it. If you’re squeamish, find something else to read. I am not affiliated with this product in any way, and I did not receive any free samples or other compensation as a condition of writing this blog. This is really just my thoughts and experiences with this product.

I bought two pairs of Thinx for a few reasons:

  • I’m very interested in new textiles and how garments can be used to support medical needs, be it menstruation, illness or disability.
  • I’m interested in alternatives to standard menstrual products in general. Having consumed these products most of my life, I always think, “There’s got to be a better way!”
  • I like that female engineers, businesswomen and scientists are thinking anew about menstrual products, and that they are able to get funding to manufacture and market these products.
  • I would like to reduce my use of disposable, nonbiodegradable things in general. All the wrappers, applicators and packaging of standard tampons and pads could be reduced or eliminated.
  • I think that women should be able to talk about menstruation openly and without shame. Products such as Thinx open the dialogue.

I read over the product specs (see www.shethinx.com for more) and bought a high-waist style ($38) and a hip-hugger style ($34) to try. Based on the measurements, I ordered a large but they were too small, so I got a refund and bought an extra large in each style.

Because I like to sew, I know when I am looking at a well-made garment, and these were. The lining of the underwear is made of a cotton and elastane blend. The waistband and outer layer is a nylon-elastane blend – the waistband has a pretty, sheer stripe detail. The absorbent inner liner is made of a polyurethane laminate, or PUL fabric. It runs from waistband to waistband front and back and is encased in the lining and outer fabric. The sides are sheer.

I tried them this week. I wore the hip-huggers on Sunday, under jeans, without any back-up tampons or pads. They performed admirably with no leaks. I was aware each time I used the toilet that the underwear was absorbing blood, but it soaked in to the absorbent layer and did not feel sticky, just a bit damp. The underwear was a bit bulky, but not bad, especially under jeans. There was no smell at first, but by the end of the day, I could detect a scent – not the usual menstrual blood scent, but a scent that’s hard to describe – a bit plastic-y and sharp. The scent wasn’t objectionable, really, but it was there.

I wore them for the rest of the day and to bed. I woke up with no stains on my PJs or sheets. The odor was much stronger at this point, but that’s to be expected – I wore them for a full day! The instructions say you should rinse the underwear and then wash it, using regular laundry soap but no fabric softener. I saw a lot of blood come out in the rinse, so I let them soak a bit, then rinsed again until the water was clear. Then I let them soak with some laundry detergent, scrubbed them by hand, rinsed and let them line dry.

I had intended to wear the high-waist pair to work Monday, but when I tried them on with my dress, they rode up a bit and were noticeably bulky in the rear with the style of dress, so I switched to some high-waist trousers. This time, I backed up the underwear with a tampon because I couldn’t take chances at work, but I didn’t use a pantyliner as I normally would. Again, they performed well. There was no odor or leaking, although to be fair, tampons did most of the job. The general fit of the underwear was not great and rode up all day. I wore them to bed without any back-up and they were fine – no leaks or stains and the faint odor. Again, I rinsed them and washed them in the sink with some laundry detergent.

I reused the clean hip-huggers to work Tuesday under a skirt without any tampon backup, and they performed very well, although my flow was a lot lighter by then. There was no odor or dampness.

My takeaways:

  • Thinx are a viable alternative to tampons or pads. They do their job and perform as promised.
  • They look nice and are well made.
  • Thinx are not gross or smelly – not any grosser or smellier than the normal menstruation situation, anyway.
  • Using Thinx alone without tampons or pads, I would not want to wear one pair all day but rather would change them after 8 hours  or so. This makes sense, since I’d normally change tampons every 4 hours or so, and the underwear’s meant to absorb about two tampons’ worth.
  • Using Thinx as a tampon back-up, or on a light flow day, I will wear them all day.
  • I will wear the high-waist pair exclusively to bed, because of the bulky nature and the poor fit. I am OK with this because I usually wear big diapery pads to bed (I don’t want to get up in the night to change tampons) and occasionally have to deal with leaks.
  • I can handwash them and let them dry so that two pairs will get me through a typical cycle.
  • The cost alone doesn’t really justify the purchase. At $70 for two pairs of underwear, I could buy a couple hundred tampons, pantyliners and pads.

I will be interested to see how these hold up and perform over time. I will buy more if I really like them.

Author: shoes15

I live in Connecticut, USA with my husband and my dog, in an old house outfitted with a sewing room, a garden, an orchard, and a big liquor cabinet.

4 thoughts on “Thoughts on Thinx”

  1. This was really interesting, thanks for the review. I like the idea of period panties but agree that Thinx are a little overpriced for what they are. There are definitely more affordable options out there. This has been a topic of discussion in some of the bra making forums on Facebook, as some members have taken to making their own.

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  2. I just found this post via your link on PR.

    I am not sure of your age or more importantly if you are near peri-menopause. I am now past it, but I know several women who are dealing with the extremely heavy flows and clots that go with that. How would these panties handle clots? I know tampons do not absorb them.

    A woman who is dear to me has just started this stage of life. If these could help I would be happy to give her a couple pair.

    With the high waist ones, what is the issue with fit?

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  3. Hi Michelle. Thanks for asking. I haven’t experienced very heavy flows and clots like you describe, so I can’t help much. I think this underwear would be a great product for your friend in addition to tampons, sort of an insurance policy for them. The high waisted ones tended to ride up on me. I have pretty wide hips and rear in proportion to a small waist. I do wear them to bed. They offer the most coverage.

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