Masmi

SET -5% 3 x Organic Masmi CLASSIC Period Underwear 100% cotton star 100 washes

Regular price €63,95 EUR
Sale price €63,95 EUR Regular price
Save €-63,95 Sold out
Tax included. Shipping calculated at checkout.
Lowest price in the last 30 days:
Rozmiar: S
  • Free shipping on orders over 100 PLN
  • Order by 2 PM – ships the same day
  • Delivery within 24 hours (PL)
  • Fast delivery within the EU: 48-72 hours

Menstrual underwear, made from the healthiest, GOTS-certified organic cotton, are reusable underwear worn during menstruation, replacing sanitary pads, tampons and other female intimate hygiene products.

Masmi period underwear has been recognized as the best menstrual underwear on the market by independent Allegro experts and other independent rankings - see here:

menstrual underwear ranking (copy the browser link):

  1. https://allegro.pl/artykul/ranking-majtek-menstruacyjnych-2024–AgMwdkaYeSW
  2. https://rankedo.pl/majtki-menstruacyjne-ranking/
  3. https://terdeals.com/pl/ranking/1965/top-5-majtek-menstruacyjnych

Why choose Masmi menstrual underwear?

  • 100% organic cotton with GOTS certification – this is the healthiest material from which menstrual underwear can be sewn. It eliminates irritation of intimate areas, inflammations, fungal infections, or chafing. The underwear is hypoallergenic.
  • Our underwear does not "crinkle" when worn, because they do not contain foil (polyurethane, polyester, etc.) in the absorbing layer – 100% discretion and psychological comfort for you in every situation.
  • Up to 100 washes without loss of absorbency! – As the only company on the market we provide such a guarantee for our underwear. If you follow the manufacturer’s washing guidelines, Masmi underwear will retain its properties even up to 400 washes without loss of absorbency!
  • Highest absorbency (up to 77 g) – this is more than 6 super-sized tampons. It guarantees comfort and safety all day or night. No traces on clothing after a whole day at work/school and on bedding in the morning. The best solution for the first periods – high absorbency and long action time in combination with the simplest use vs tampon application or pad change give girls unprecedented comfort in these important days – just one pair for the whole day at school.
  • Remarkably reliable in extreme conditions during training, on a trip, on a plane, while traveling, during long meetings or conferences + all other life situations where changing a pad, tampon or emptying a cup may be a problem – you do not have to give up your plans!
  • They are an excellent solution for women after childbirth, for incontinence, discharge and for disabled women – you save time and money with unparalleled ease of use.
  • They are planet-friendly fully biodegradable, no ingredient was tested on animals, do not contain superabsorbents, foils, plastics, artificial fragrances or allergenic ingredients. Best economic choice among all intimate hygiene products!

Q&A

  • Is it worth buying menstrual underwear?

Among women who swapped pads, tampons or cups for menstrual underwear, opinions are very positive. Most admit that Masmi underwear works well even in the first days of the period with heavy bleeding. Regarding changing a pad or tampon, remember every 3-4 hours depending on period intensity – Menstrual underwear only needs to be changed twice a day. We recommend buying 2 pairs of underwear – one is worn, the other is clean and waiting for a change, but if you want to be sure that on those days there will always be a clean, washed pair waiting for you, you can get even more pairs. The optimal amount is 3 pieces.

  • Do you use pads or tampons together with menstrual underwear?

Menstrual underwear are designed to provide protection by themselves during menstruation. There is no need to wear an additional pad, but if you feel you will be more comfortable with a pad, you can use it identically to regular underwear. You can also wear the underwear for extra protection during menstruation when you use a tampon or menstrual cup.

  • Are menstrual underwear expensive?

Menstrual underwear are very economical and durable, so their purchase is definitely economical. One pair can serve us for 3–4 years without a drop in absorbency. When following the manufacturer’s washing and drying instructions this period may extend to even 6 years (remember, underwear can last longer, but their absorbency will gradually decrease – this process will not be noticeable to you). The cost of buying pads or tampons over a similar period is 3 to 6 times higher (depending on the brand of pads or tampons used) than buying 2-3 pairs of underwear. Moreover, there is incomparably greater comfort due to longer time between changes – 12 h for underwear vs 3-4 h for pads and tampons.

  • Do menstrual underwear leak?

No, menstrual underwear do not leak if used and cared for properly. However, you should monitor your body and adjust the wear time of the underwear to your needs depending on the intensity of the period

  • Does menstrual underwear emit a bad smell?

Unpleasant odor can appear sometimes when you have a vaginal infection.

  • Do menstrual underwear feel damp?

If menstrual underwear are washed properly, they do not lose absorbency and should keep up with absorbing moisture into the inner absorbing layer

tailored to your body - available in 4 sizes: S, M, L and XL

How to wash and care for the products?

  1. Wash before first use.
  2. After use, we recommend rinsing and/or soaking before washing.
  3. You can wash by hand or in a washing machine with the rest of the laundry or in a separate laundry bag (if you prefer).
  4. When using a washing machine, wash at a temperature not higher than 40º.
  5. For proper care, use neutral soaps. Do not use chlorine, bleaches, fabric softeners, natural oils or Marseille soap, as they may affect absorbency.
  6. Do not use a clothes dryer, as it may reduce absorbency.

We guarantee consistent absorbency of our underwear up to 100 washes!

When following the manufacturer’s washing and drying guidelines, menstrual underwear Masmi will retain their properties even up to 400 washes! Reusable hygiene products ensure safety, high absorbency, full freedom of movement, great comfort and at the same time are very economical.

composition:

96% certified organic cotton, 4% elastane

absorbent layer: 97% certified organic cotton, 3% PU

Hypoallergenic product, possessing as many as 4 certificates: GOTS, FSC, VEGAN and COTTON NATURAL.

in black

vegan-friendly product

made in Spain

WARNING: SIZES OF MENSTRUAL UNDERWEAR MAY VARY SLIGHTLY DEPENDING ON THE SERIES, THEREFORE IF YOUR DIMENSIONS ARE BETWEEN TWO SIZES, E.g. S and M, WE RECOMMEND CHOOSING THE LARGER SIZE.

PRODUCT COMES IN A CARDBOARD PACKAGE SEALED WITH A STICKER. AFTER OPENING, FOR HYGIENE REASONS, WE DO NOT ACCEPT RETURNS.

In our store you will also find other underwear models (composition and technical absorbency parameters of all Masmi underwear models are identical):

  1. Elegant model – with tulle inserts on the sides of the underwear + lower rise (about 1-1.5 cm)
  2. Modern model – lower rise (about 1-1.5 cm)

If your periods are very heavy and you need even more protection, we propose Masmi Reuse menstrual underwear with increased absorbency:

  1. WITH DOUBLE ABSORBENCY (up to 120 g of liquid) with low rise
  2. WITH TRIPLE ABSORBENCY (up to 166 g of liquid) with high rise,

which you can also find in our shop.

Masmi and Silver Care products differ only in outer packaging, the product is the same. If one type is not available in an order, a counterpart from the other brand will be sent.

certificates: Suitable for Vegans

packaging: 1 pc

Size: L, M, S, XL

Manufacturer information
Manufacturer: COHITECH COTTON HIGH TECH, S.L., Colonia La Rabeia, S/n, Balsareny Barcelona, 08-660, Spain, info@masminaturalcotton.com

Exclusion from the right of return and exchange:
Intimate hygiene products such as menstrual underwear, sanitary pads with wings, panty liners, tampons, menstrual cups, etc., once the packaging has been opened, are not subject to return or exchange. Legal basis: pursuant to Art. 38 of the Consumer Rights Act of 30.05.2014 and EU Directive 2011/83 of 25.10.2011: The right of withdrawal from a contract concluded off-premises or at a distance does not apply to a consumer in relation to a contract for goods supplied in a sealed package which cannot be returned after opening for reasons of health protection or hygiene, if the package was opened after delivery.

1. How are Masmi period underwear different from other menstrual underwear?

Masmi underwear stands out from the competition thanks to 100% organic cotton with GOTS certification, free from plastic, polyester, or synthetics, which minimizes the risk of irritation and infections (such as vulvitis, TSS), as confirmed by independent lab studies. They offer the highest absorbency (77-166 g vs 25-50 g in other brands) and guarantee absorbency for up to 100 washes (competitors max 60), without any rustling effect when worn or sitting. They are biodegradable and hypoallergenic. Allegro rankings 2022-2024 rated them the best on the market. Experience the difference at masmi.com.pl!

2. Are Masmi period underwear safe for sensitive skin?

Yes, Masmi period underwear is 100% safe for sensitive skin! Made from certified organic cotton (GOTS certified), they are hypoallergenic and free from toxins, pesticides, dioxins, chlorine, perfumes, or superabsorbents that can cause irritation or intimate infections such as vulvitis. Studies conducted by independent laboratories confirm that organic cotton minimizes the risk of allergies and disruptions to the vaginal microbiome compared to synthetic materials. Discover the comfort and safety of Masmi products – check them out at masmi.com.pl!

3. Why should you choose organic cotton over cheaper alternatives?

Organic cotton, like that used in Masmi underwear, is healthier for intimate health because it's grown without chemical pesticides and fertilizers, eliminating the risk of harmful substances entering your body—the vaginal mucosa can absorb them in just 4-8 seconds! On the other hand, synthetic materials like polymers or viscose can increase the risk of irritation, yeast infections, or even long-term issues such as endometriosis, as indicated by research from the American Endometriosis Association. Masmi offers the natural protection that cheaper products simply can't provide.

3. What does the GOTS certificate mean and why is it important?

The GOTS (Global Organic Textile Standard) certificate guarantees that Masmi underwear is made from organic cotton, produced in a way that’s safe for both the environment and your health, without toxic chemicals or heavy metals. It’s a mark of the highest safety standards—no pesticides, dioxins, or chlorine, which minimizes the risk of infections and allergies. Masmi is the only brand to use such strict criteria, making it stand out on the market. Check the details at masmi.com.pl and see for yourself how important this is for your health!

4. Are Masmi period panties cost-effective, given that their price is higher than pads?

Yes, Masmi panties are an investment that lasts for years! One pair is guaranteed to stay absorbent for up to 100 washes, which means up to 5 years (about 60 periods), while 10 packs of pads or tampons only last 10-12 periods. Thanks to absorbency ranging from 77 g to 166 g (much more than the 25-50 g offered by competitors) and no need for frequent changes, you save both time and money. It’s an economical choice in the long run.

5. Can Masmi panties help with health issues like endometriosis?

Yes, Masmi panties can support intimate health, including for those with endometriosis. Organic cotton, free from dioxins and chemicals, reduces the risk of irritation and hormonal disruptions that can worsen endometriosis symptoms—WHO studies show a link between dioxins and this condition. The breathable structure and hypoallergenic properties of organic cotton offer extra protection against infections.

6. How long can I wear Masmi period panties during my period?

Masmi panties are designed for up to 12 hours of use, thanks to absorbency from 77 g (standard) to 166 g (triple absorbency), which outperforms the competition (25-50 g). They’re perfect for day, night, or travel—no need to change every 2-3 hours like with tampons or pads, so you get exceptional comfort. Care for them as instructed (wash up to 104°F/40°C without bleach) and they’ll last for years. Learn more at masmi.com.pl!

7. Are Masmi panties eco-friendly?

Yes, Masmi panties are 100% biodegradable, thanks to organic cotton instead of plastic. They help reduce menstrual waste, which amounts to 500 billion single-use products worldwide every year. The Masmi factory uses solar panels and a closed water cycle to minimize environmental impact. Make a conscious choice—see details at masmi.com.pl!

8. How should I wash Masmi period panties to maintain their quality?

Wash Masmi panties at up to 104°F/40°C with neutral soap, avoiding bleach and tumble dryers. This guarantees up to 100 washes without losing absorbency (up to 400 with proper care). It’s simple and eco-friendly—you’ll find the instructions at masmi.com.pl. Start taking care of yourself and the planet today!

9. Do Masmi panties leak during heavy periods?

No, Masmi panties won’t leak even during heavy periods, thanks to triple absorbency (up to 166 g). That’s more than the standard 25-50 g from competitors, as confirmed by Allegro rankings from 2022-2024. Choose the right absorbency model and enjoy peace of mind—order at masmi.com.pl!

10. Where can I buy Masmi underwear and how do I use a discount?

You can buy Masmi underwear at masmi.com.pl. Discount programs are available on our website for each product. Check out our offer and start your journey with Masmi today!

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Your stories, our motivation

Real reviews, authentic experiences – see how our products perform in everyday life.