{"product_id":"kao-megrhythm-medical-steam-heat-sheets-for-underwear-unscented-7-sheets","title":"Kao MegRhythm Medical Steam Heat Sheets for Underwear – Unscented, 7 Sheets","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eKao MegRhythm Medical Steam Heat Sheets for Underwear\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are disposable warming sheets designed to be attached to the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003einside surface of underwear\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to provide long-lasting steam warmth around the abdomen or lower back.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis renewed 2026 version is specially designed for use around the lower abdomen and waist, combining a thin, discreet structure with a softer and more breathable skin-contact surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnce the individual package is opened, the internal heat-generating material reacts with air and begins warming automatically. No microwave, batteries, hot water or external power source is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach sheet provides approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40°C of comfortable steam warmth\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e at the skin surface and continues warming for approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5 to 8 hours\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sustained warmth is designed to reach the abdomen or lower back gradually, helping promote blood circulation and providing a comfortable warming effect during everyday activities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDesigned for the Abdomen and Lower Back\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe sheet is specifically shaped for use around the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eabdomen and waist\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is attached to the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003einside surface of fitted underwear\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing the warming area to remain close to the body without being directly adhered to the skin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis design makes it suitable for use around the lower abdomen during menstruation, when you want extra warmth around the stomach area, or on the lower back during daily activities.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAttach to Underwear – Not Directly to Skin\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUnlike direct-to-skin MegRhythm heat sheets, this version must be attached to underwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePeel away the release paper and attach the sheet securely to the inside surface of well-fitting underwear with a sufficiently high rise so that the entire sheet is covered.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sheet should not be attached directly to the skin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe inside-facing surface is designed to feel soft against the body while the heating element remains safely separated by the underwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSofter and More Breathable Sheet\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe renewed 2026 sheet uses a redesigned nonwoven fabric that is approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.4 times softer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e than the previous version.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe material is also designed to reduce stuffiness during extended wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis makes it particularly suitable for use around the abdomen and lower back, where the sheet may remain in place for several hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApprox. 40°C for 5–8 Hours\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe sheet provides approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e of comfortable warmth at the skin surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe warming effect lasts approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5–8 hours\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing one sheet to provide extended warmth throughout part of the day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe thin construction helps the sheet remain discreet under clothing without creating excessive bulk.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGeneral Medical Device\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis product is classified in Japan as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGeneral Medical Device\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for thermal therapy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts thermal effects include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePromoting blood circulation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupporting gastrointestinal activity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelping relieve pain associated with neuralgia and muscular pain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupporting recovery from fatigue\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe product is intended for warming therapy around the abdomen and lower back.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUnscented\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe sheets are \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eunscented\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making them easy to use at work, during commuting, while traveling or around other people without adding fragrance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient for Menstrual Periods\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe sheet can be used during menstruation when additional warmth around the lower abdomen or waist is desired.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts 7-sheet pack provides one sheet for each day of a full week, making the pack particularly convenient for regular use during the menstrual period.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir-Activated and Ready to Use\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach sheet is individually sealed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnce the package is opened, the iron-containing heating material begins reacting with air and gradually warms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe product should not be heated in a microwave.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo preparation is required before use beyond attaching the sheet correctly to underwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eThin and Lightweight\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe sheet measures approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e14.6 × 8.3 cm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts thin profile is designed to remain unobtrusive underneath clothing while still providing a broad warming area across the abdomen or lower back.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7 Individually Packed Sheets\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach box contains \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7 single-use sheets\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIndividual packaging keeps each heat sheet sealed until needed and makes it convenient to carry single sheets in a handbag, travel pouch or workplace drawer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach sheet is intended for one-time use only.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Use Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAlways attach the sheet to the inside surface of underwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not apply directly to the skin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse well-fitting underwear with enough coverage to hold the entire sheet securely in place.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid delicate fabrics such as silk or lace, as the adhesive may damage the material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not use while sleeping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStop use immediately if the sheet feels excessively hot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not use on injured, inflamed or irritated areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDo not use together with topical patches, creams or other warming products on the same area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePeople receiving medical treatment, people with diabetes or circulation disorders, people with reduced heat sensitivity, people with fever or inflammatory conditions, and pregnant users should consult a physician or pharmacist before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDisposable steam heat sheets for underwear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for the abdomen and lower back\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAttaches to the inside surface of underwear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDoes not attach directly to the skin\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApprox. 40°C comfortable steam warmth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApprox. 5–8 hours of warmth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral Medical Device in Japan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps promote blood circulation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports gastrointestinal activity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps relieve neuralgic and muscular pain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports recovery from fatigue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApprox. 1.4 times softer than the previous version\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBreathable and designed to reduce stuffiness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThin and discreet under clothing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnscented\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir-activated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo microwave required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo batteries or electricity required\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for menstrual-period use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e7 individually packed sheets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSingle-use design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in Japan\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MegRhythm Medical Heat Sheet for Underwear\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eType:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Disposable Steam Heat Sheet\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eContents:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7 Sheets\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMedical Classification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e General Medical Device\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRegistered Product Name:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e MegRhythm Steam Heat Sheet b2\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMedical Device Notification No.:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 13B2X10461000006\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eScent:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unscented\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApprox. Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 40°C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWarmth Duration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 5–8 Hours\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSheet Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 14.6 × 8.3 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePackage Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. W125 × D49 × H137 mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSkin-Side Nonwoven Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PET, Polyethylene, Polypropylene\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHeat-Generating Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Contains Iron Powder\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eReusable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMicrowaveable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCountry of Origin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Japan\u003c\/span\u003e\u003c\/p\u003e","brand":"Kao","offers":[{"title":"Default Title","offer_id":54244110336289,"sku":"100000001010199136","price":76.16,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0263\/7214\/5240\/files\/Kao-MegRhythm-Medical-Steam-Heat-Sheets-for-Underwear-Unscented-7-Sheets.avif?v=1793387784","url":"https:\/\/wabisabi-store.live\/products\/kao-megrhythm-medical-steam-heat-sheets-for-underwear-unscented-7-sheets","provider":"WABI-SABI STORE","version":"1.0","type":"link"}