Masmi

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

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Size: S
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  • Szybka dostawa w UE  2–3 dni
Masmi Reuse period underwear with the highest absorbency on the market, made from the healthiest GOTS-certified organic cotton, grown without pesticides, herbicides or chemical fertilizers. Period underwear replaces pads, tampons and other intimate hygiene products for women.
Compared to period underwear from other brands that absorb up to 50 grams of liquid, these eco-friendly period underwear have triple the absorbency: up to 166 grams of menstrual blood.
Regular period panties have one absorbent layer, while these panties have four breathable absorbent layers made from a special 3D fabric, made of organic cotton, guaranteeing maximum absorbency of the underwear.
Increased absorbency (up to 166 grams of liquid) – that’s more than 13 super-size tampons. It guarantees comfort and protection all day or night. No marks on clothing after a full day at work/school and no stains on bedding in the morning.
Masmi period underwear has been recognized as the best underwear on the market by independent Allegro experts and other independent rankings – see here: period underwear ranking (copy the link to your 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 cotton period underwear?

  • 100% GOTS-certified organic cotton – the healthiest material for period underwear. It prevents irritation of intimate areas, inflammations, yeast infections and chafing.
  • Masmi period underwear is hypoallergenic.
  • Masmi Reuse period underwear does not “rustle” when worn, because the absorbent layer contains no film (polyurethane, polyester, etc.) – providing 100% discretion and peace of mind in any situation.
  • Guarantee up to 100 washes without loss of absorbency! – As the only brand on the market we offer this guarantee for period underwear. If you follow the manufacturer’s washing instructions, Masmi period underwear will retain its properties for up to 400 washes without loss of absorbency!
  • The best solution for first periods – high absorbency and long wear time combined with the simplest use compared to inserting a tampon or changing a pad give girls unmatched comfort during these important days – one pair is enough for a full day at school.
  • Works great in extreme conditions – during training, on trips, on a plane, while traveling, during long meetings or conferences + any life situations where changing a pad, tampon or emptying a cup may be difficult – you don’t have to give up your plans!
  • They are an excellent solution for postpartum women, those with urinary incontinence, abnormal discharge and for women with disabilities – saving time and money with exceptional comfort.
  • Planet-friendly fully biodegradable, no ingredient was tested on animals, they contain no superabsorbents, films, plastics, artificial fragrance additives or allergenic ingredients.
  • Best economic choice among all intimate hygiene products!

Q&A:
  • Is it worth buying period underwear?

Among women who have switched from pads, tampons or cups to period underwear, the feedback is very positive. Most say Masmi underwear performs well even on the heaviest days.

  • Do you use a pad or tampon together with period underwear?

Period underwear is designed to provide protection on its own during menstruation. There is no need to wear an additional pad, but if you feel more comfortable using a pad you can wear one just as you would with regular underwear. You can also wear the underwear for extra protection when using a tampon or menstrual cup.

  • Are period underwear expensive?

Period underwear is highly efficient and durable, making it a very economical purchase. One pair can last 3–4 years without loss of absorbency. Following the care instructions, this can be up to 6 years (the underwear may last even longer, but absorbency will decrease minimally—this will be unnoticeable). The cost of pads or tampons over a similar period is 3 to 6 times higher (depending on brand) than buying 2–3 pairs of underwear. Additionally, underwear offers incomparable comfort due to longer wear time – 12 hours for underwear vs 3–4 hours for pads or tampons.

  • Do you feel dampness in period underwear?

If the underwear is washed correctly, it does not lose absorbency and should keep up with absorbing moisture into the absorbent layer.

  • Do period underwear leak?

No, period underwear does not leak if used and cared for properly. However, you should observe your body and adjust wear time according to your flow intensity.

  • Does period underwear produce unpleasant odors?

No, unpleasant odors may sometimes occur if you have an intimate infection.

  • How often should you change period underwear?

Pads or tampons need changing every 3–4 hours depending on flow – period underwear only needs to be changed twice a day.

  • How many pairs of period underwear should I buy?

We recommend buying 2 pairs. One to wear, the other ready clean for a change; if you want to be sure you always have a freshly washed pair, get more. The optimal number is 3 pieces.


designed to fit 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 hand wash or machine wash with other laundry or in a separate laundry bag (if you prefer).
  4. If using a washing machine, wash at no more than 40ºC.
  5. For proper care use neutral soaps. Do not use chlorine, bleaches, fabric softeners, natural oils or Marseille soap, as they may affect absorbency quality.
  6. Do not use a tumble dryer, as it can reduce absorbency.

We guarantee unchanged absorbency of our underwear for up to 100 washes!



By following the manufacturer’s washing and drying instructions, Masmi period underwear will retain its properties for up to 400 washes! Reusable hygiene items provide safety, high absorbency, full freedom of movement, great comfort and are very economical.

composition:

96% certified organic cotton, 4% elastane

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

Hypoallergenic product, holding 4 certificates: GOTS, FSC, VEGAN and COTTON NATURAL.

in black color

vegan-friendly product

made in Spain

NOTE: PERIOD UNDERWEAR SIZING MAY VARY SLIGHTLY BETWEEN BATCHES, SO IF YOUR MEASUREMENTS ARE BETWEEN TWO SIZES, E.G. S AND M, WE RECOMMEND CHOOSING THE LARGER SIZE.


THE PRODUCT COMES IN A CARDBOARD PACKAGE SEALED WITH A STICKER. FOR HYGIENE REASONS, RETURNS ARE NOT ACCEPTED AFTER OPENING.

If you prefer lower-rise underwear, we offer a second variant of Masmi Reuse period underwear: DOUBLE ABSORBENCY (up to 120 g of liquid) with a low rise, which you can also find in our shop.


In our shop you will also find other models of Masmi Reuse period underwear:

  1. CLASSIC model – higher rise (about 1–1.5 cm)
  2. ELEGANT model – with tulle inserts on the sides
  3. MODERN model – without tulle inserts on the sides


Masmi and Silver Care products differ only in external packaging; the product is the same. If one brand is unavailable in an order, the equivalent from the other brand will be sent.

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 do Masmi panties differ from other period underwear?

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

2. Are Masmi period panties safe for sensitive skin?

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

3. Why choose organic cotton instead of cheaper alternatives?

Organic cotton, as used in Masmi panties, is healthier for intimate health because it is grown without chemical pesticides and fertilizers, eliminating the risk of harmful substances entering the body — the vaginal mucosa can absorb them within 4–8 seconds! Synthetic materials, e.g., polymers or viscose, can increase the risk of irritation, fungal infections or even long-term issues such as endometriosis, as indicated by research from the American Endometriosis Society. Masmi offers the natural protection that cheaper products do not.

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

The GOTS (Global Organic Textile Standard) certificate guarantees that Masmi panties are made from organic cotton, produced in an environmentally and health-friendly way, without toxic chemicals or heavy metals. It confirms the highest safety standards — no pesticides, dioxins or chlorine, which minimizes the risk of infections and allergies. Masmi is unique in applying such strict criteria, which sets it apart on the market. Check details at masmi.com.pl and see how important this is for your health!

4. Are Masmi period panties cost-effective since they are more expensive than pads?

Yes, Masmi panties are an investment for years! One pair has an absorbency guarantee for up to 100 washes, which can be up to 5 years (approx. 60 periods), while 10 packs of pads or tampons last 10–12 periods. With absorbency from 77 g to 166 g (significantly more than 25–50 g from competitors) and no need for frequent changes, you save time and money. It’s an economical choice long-term.

5. Can Masmi panties help with health issues, e.g., endometriosis?

Yes, Masmi panties can support intimate health, including with endometriosis. Organic cotton, free from dioxins and chemicals, reduces the risk of irritation and hormonal disturbances that can worsen endometriosis symptoms — WHO research indicates a link between dioxins and this condition. The breathable structure and hypoallergenic properties of organic cotton additionally protect against infections.

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

Masmi panties are designed for use for up to 12 hours thanks to absorbency from 77 g (standard) to 166 g (triple absorbency), outperforming competitors (25–50 g). They are ideal for day, night or travel — no need to change every 2–3 hours like with tampons or pads, providing exceptional comfort. Care for them according to the instructions (wash up to 40°C without bleaches), and they will serve you for years. Learn more at masmi.com.pl!

7. Are Masmi panties ecological?

Yes, Masmi panties are 100% biodegradable thanks to organic cotton instead of plastic. They reduce menstrual waste — worldwide 500 billion single-use items are generated each year. Masmi’s factory uses solar panels and a closed water circuit, minimizing environmental impact. Choose consciously — check details at masmi.com.pl!

8. How do I wash Masmi period panties to preserve their properties?

Wash Masmi panties at up to 40°C with a neutral soap, avoiding bleaches and tumble drying, which guarantees up to 100 washes without loss of absorbency (even up to 400 with proper care). It’s simple and ecological — instructions are at masmi.com.pl. Start caring for yourself and the planet today!

9. Do Masmi panties leak during heavy periods?

No, Masmi panties do not leak even during heavy menstruation thanks to triple absorbency (up to 166 g). That’s more than the standard 25–50 g from competitors, as confirmed by Allegro rankings 2022–2024. Choose the model with appropriate absorbency and enjoy confidence — order at masmi.com.pl!

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

You can buy Masmi panties at masmi.com.pl. Discount programs are available on our site on each product page. Check the offer and start your Masmi journey today!

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