Masmi

SET -3% 2 x Masmi Organic Period Underwear - Triple Absorbency 166 g/high waist (sizes: S, M, L, XL)

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Masmi Reuse sanitary underwear with the highest absorbency on the market, made from the healthiest certified organic cotton GOTS, grown without pesticides, herbicides, or chemical fertilizers. Menstrual underwear replaces sanitary pads, tampons and other intimate hygiene products for women.

Compared to menstrual underwear from other manufacturers that absorb up to 50 grams of liquid, these eco-friendly menstrual underwear have triple absorbency: up to 166 grams of menstrual blood.

Ordinary period underwear have one absorbent layer, while in these underwear four breathable absorbent layers from special 3D fabric, made from organic cotton, guarantee maximum absorbency of the underwear.

Increased absorbency (up to 166 g) – that’s more than 12 tampons in the super size. It guarantees comfort and safety all day or night. No traces on clothes after a full day at work/school and on morning bedding.

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

menstrual underwear ranking (copy the link to browser):

  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 organic menstrual underwear?

  • 100% organic cotton with GOTS certification – the healthiest material from which menstrual underwear can be made. It means no irritation of intimate areas, infections, fungal infections or chafing.
  • Masmi period underwear is hypoallergenic.
  • Masmi Reuse menstrual underwear doesn’t “rustle” when worn, because it doesn’t contain foil (polyurethane, polyester, etc.) in the absorbent layer – it’s 100% discretion and mental comfort for you in every situation.
  • Guaranteed up to 100 washes without loss of absorbency! – As the only brand on the market we offer such a guarantee on menstrual underwear. If you follow the manufacturer’s washing instructions, Masmi period underwear will retain its properties even up to 400 washes without loss of absorbency!
  • Best solution for first periods high absorbency and long-lasting performance combined with the simplest usage method vs tampons or pads give girls unparalleled 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 an airplane, while travelling, during long meetings or conferences + all other life situations where changing a pad, tampon or emptying a cup could be a problem – you don’t have to give up your plans!
  • Sustainable solution for postpartum women, for urinary incontinence, discharge and for disabled women – you save time and money with unmatched comfort of use.
  • Planet-friendly – fully biodegradable, no product ingredients tested on animals, no superabsorbents, foils, plastics, artificial fragrance additives 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 performs well even in the first days of the period with heavy bleeding.

Do you use a pad or tampon at the same time with menstrual underwear?

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

Are menstrual underwear expensive?

Menstrual underwear are very efficient and durable, so their purchase is definitely economical. One pair can serve 3-4 years without loss of absorbency. If you follow the manufacturer’s washing and drying guidelines, this period can reach even 6 years (remember that underwear may last longer, but their absorbency will gradually decrease – this process will not be noticeable). The cost of purchasing pads or tampons over a similar period is 3 to 6 times higher (depending on brand of pads or tampons used) than buying 2-3 pairs of underwear. In addition, there is incomparable comfort due to longer intervals between changes – 12 h for underwear vs 3-4 h for pads or tampons.

Do menstrual underwear make you feel damp?

If menstrual underwear is washed properly, they do not lose absorbency and should keep pace with absorbing moisture into the absorbent layer.

Do menstrual underwear leak?

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

Does menstrual underwear emit an unpleasant odor?

No, an unpleasant odor may appear sometimes when you have a vaginal infection.

How often should you change menstrual underwear?

You should remember to change a pad or tampon every 3-4 hours depending on the period intensity. Menstrual underwear should be changed only 2 times a day.

How many pairs of menstrual underwear should I buy?

We recommend purchasing 2 pairs. One pair we wear, the other is waiting clean for change, but if you want to be sure that a clean and washed pair will always be waiting for you on those days, you can buy even more pairs. The optimal amount is 3 pieces.

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. Can be hand-washed or machine-washed with the rest of the laundry or in a separate laundry bag (if you prefer).
  4. If using a washing machine, wash at no more 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 can 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 hygienic products ensure safety, high absorbency, complete freedom of movement, great comfort and are also very economical.

ingredients:

96% certified organic cotton, 4% elastane

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

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

in black

vegan-friendly product

made in Spain

NOTE: SIZES OF MENSTRUAL UNDERWEAR, DEPENDING ON SERIES, MAY VARY SLIGHTLY, THEREFORE IF YOUR MEASUREMENTS ARE ON THE BORDER BETWEEN TWO SIZES, E.G. S AND M, WE RECOMMEND CHOOSING THE LARGER SIZE.

PRODUCT COMES IN A CARDBOARD PACKAGE WITH A PROTECTIVE STICKER. UPON OPENING, FOR HYGIENE REASONS, RETURNS ARE NOT ACCEPTED.

If you prefer underwear with a lower rise, we also offer Masmi Reuse underwear: DOUBLE ABSORBENCY (up to 120 g) with low rise, which you can also find in our store.

In our store you will also find other Masmi Reuse menstrual underwear models:

  1. CLASSIC model – higher rise (by about 1-1.5 cm)
  2. ELegant model – with sheer panels on the sides of the underwear
  3. MODERN model – without sheer side panels

Masmi and Silver Care products differ only in outer packaging, the product is the same. In case of unavailability of one model in the order, a counterpart from the other brand will be shipped.

Size: S, M, L, 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 period 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 contracts for the supply of goods sealed for health protection or hygiene reasons which cannot be returned after opening the sealed packaging, if the packaging has been 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!

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