Masmi

Masmi Menstrual Underwear ELEGANT Low-Rise (Sizes: S, M, L, XL) 100% Certified Organic Cotton 1 pc

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Period underwear, made entirely from the healthiest GOTS-certified organic cotton, grown without pesticides, herbicides or chemical fertilizers.
Our underwear is a hypoallergenic product, holding as many as 4 certifications: GOTS, FSC, VEGAN and COTTON NATURAL.
These are reusable underwear worn during menstruation, replacing pads, tampons and other intimate hygiene products for women. The underwear has a timeless style and an elegant design. The front is cut in a V-shape, so it fits the female body shape very well. They feature a low rise and tulle inserts on the sides. The perfect cut for women who prefer an elegant and discreet style.

Our 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 into 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 period underwear?

  • 100% GOTS-certified organic cotton – the healthiest material that period underwear can be made from. It prevents irritation of intimate areas, inflammations, yeast infections or chafing. The underwear is hypoallergenic.
  • Our underwear does not “rustle” while wearing, because it does not contain foil (polyurethane, polyester, etc.) in the absorbent layer – 100% discretion and peace of mind for you in any situation.
  • Warranty up to 100 washes without loss of absorbency! – as the only company on the market we offer such a warranty on our underwear. If you follow the manufacturer’s washing instructions, Masmi underwear will retain its properties even up to 400 washes without loss of absorbency!
  • Highest absorbency (up to 77 grams of fluid) – that’s more than 4 super-size tampons. It guarantees comfort and safety throughout the day or night. No stains on clothing after a full day at work, school or on bedding in the morning.
  • The best solution for first periods – high absorbency and long protection combined with the simplest usage compared to inserting a tampon or changing a pad give girls unmatched comfort during these important days – one pair is enough for a full school day.
  • They perform brilliantly in extreme conditions during workouts, on trips, on planes, while traveling, during long meetings or conferences and in any other life situations where changing a pad, tampon or emptying a menstrual cup can be difficult – you don’t have to cancel your plans!
  • They are an excellent solution for postpartum women, for urinary incontinence, discharge and for women with disabilities – you save time and money with unmatched comfort of use.
  • Planet-friendly fully biodegradable, no ingredient was tested on animals, they do not contain superabsorbents, foil, plastics, artificial fragrance additives or allergenic ingredients.
  • The best economic choice among all intimate hygiene products!

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

Among women who have switched pads, tampons or cups to period underwear, the feedback is very positive. Most admit that Masmi underwear performs well even during the heavy first days of their period. You need to change a pad or tampon every 3-4 hours depending on flow intensity – period underwear only needs to be changed twice a day. We recommend buying 2 pairs – one for wearing, the other clean and waiting for a change. If you want extra assurance that a clean pair will always be ready, you can get another one. Optimal quantity is 3 pieces.

  • Should you wear 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 with one, you can use it just as you would with regular underwear. You can also wear underwear for extra protection while using a tampon or menstrual cup.

  • Are period underwear expensive? 

Period underwear is very efficient and durable, so the purchase is definitely economical. One pair can serve 3–4 years without loss of absorbency. With proper washing and drying care per the instructions, this period can be as long as 6 years (remember that they may last even longer, but absorbency will decrease minimally – this process will not be noticeable). 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 provides incomparable comfort due to longer wear time between changes – 12 h for underwear vs 3-4 h for pads and tampons.

  • Do period underwear leak?

No, period underwear does not leak if used and washed correctly. However, you should observe your body and adjust wearing time according to your flow intensity.

  • Does menstrual underwear produce bad odor?

An unpleasant odor can occur when you have an intimate infection.

  • Do you feel dampness in period underwear?

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

 

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

How to wash and care for the products?
  1. Wash the underwear before first use.
  2. After use we recommend rinsing and/or leaving to soak before washing.
  3. You can wash by hand or in the machine with other laundry or in a separate laundry bag (if you prefer).
  4. If using a washing machine, wash at no higher than 40º.
  5. For proper care we recommend using neutral soaps. Do not use chlorine, bleaches, fabric softeners, natural oils or Marseille soap, as they can affect absorbency quality.
  6. Do not use a tumble dryer as it may reduce their absorbency.

As the only brand on the market we offer a warranty of unchanged absorbency of our underwear up to 100 washes!

If you follow the manufacturer’s washing and drying instructions, Masmi menstrual underwear will retain its properties even 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

The underwear is black. Product suitable for vegans. Made in Spain
In our shop you will also find other models of period underwear:
The composition and technical absorbency parameters of all Masmi underwear models are identical.
  1. model CLASSIC   – high rise, classic cut
  2. model MODERN – lower rise (approx. 1-1.5 cm)
If your periods are very heavy and you need extra protection, we offer period underwear with increased absorbency:
  1. DOUBLE ABSORBENCY (up to 120 g of fluid) with low rise
  2. TRIPLE ABSORBENCY (up to 166 g of fluid) with high rise

which you can also find in our shop.

WARNING: MENSTRUAL UNDERWEAR SIZES MAY VARY SLIGHTLY DEPENDING ON THE SERIES, 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.

 

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 product of 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 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 away from business premises or at a distance does not apply to a contract where the subject of performance is goods supplied in a sealed package which cannot be returned for health protection or hygiene reasons if the package 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!

Customer Reviews

Based on 4 reviews
75%
(3)
25%
(1)
0%
(0)
0%
(0)
0%
(0)
A
Anna P.

Super produkt

D
Diana

Bardzo fajne gatki - działają dobrze jak Modern, a siateczka dodaje odrobinkę elegancji i seksapilu ;)

M
Magda

Wygodne, naturalny material (co dla mnie bylo bardzo wazne), i dobra cena. Wchlaniaja dobrze, takze czyje sie w nich super komfortowo

A
Anonim

Nie przeciekaly, nie bylo mokrego uczucia. Wygodne aczkolwiek mniej wygodne niz te modern.

Customer Reviews

Based on 4 reviews
75%
(3)
25%
(1)
0%
(0)
0%
(0)
0%
(0)
A
Anna P.

Super produkt

D
Diana

Bardzo fajne gatki - działają dobrze jak Modern, a siateczka dodaje odrobinkę elegancji i seksapilu ;)

M
Magda

Wygodne, naturalny material (co dla mnie bylo bardzo wazne), i dobra cena. Wchlaniaja dobrze, takze czyje sie w nich super komfortowo

A
Anonim

Nie przeciekaly, nie bylo mokrego uczucia. Wygodne aczkolwiek mniej wygodne niz te modern.

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