Skip to product information
1 of 6

Kao Corporation

MegRhythm Steam Thermo Patch | Japanese Neck Heat Therapy for Relaxation | 12ct

MegRhythm Steam Thermo Patch | Japanese Neck Heat Therapy for Relaxation | 12ct

Self-heating steam patch delivers soothing 40°C warmth directly to your neck for deep relaxation. Drug-free heat therapy to ease tension and prepare for restful sleep with lavender scent.

Tracked shipping direct from Japan
Authentic product guarantee
Questions? We're here to help
Deliver to United States via Japan Post
Express: 4 - 7 days via EMS · Free from US$120
Standard: 10 - 14 days via ePacket Light · Free from US$60
Regular price $29.75 USD
Regular price Sale price $29.75 USD
Sale Sold out
Shipping calculated at checkout.
Supply
Quantity
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
View full details

Key Takeaways

Steam Heat Technology

Advanced steam heat technology activates upon opening, delivering approximately 40°C warmth with abundant moisture for spa-like relaxation.

Easy Single-Use Application

Simply peel and apply to your neck. Each sheet provides about 30 minutes of continuous warmth with no setup or cleanup required.

Portable & Convenient

Individually wrapped sheets travel anywhere. Perfect for office breaks, flights, or relaxation rituals at home before bedtime.

Trusted Japanese Brand

From Kao Corporation, makers of MegRhythm steam eye masks. Japan's #1 self-heating relaxation brand with proven quality.

Best For

Those experiencing neck and shoulder tension from desk work, stress, or daily activities who want drug-free relaxation support.

Gentle & Safe

Fragrance-free formula with medical-grade adhesive designed for comfortable removal. Heats to comfortable 40°C - safe for most skin types.

Why It Works

Benefits

Good Night Steam Patch delivers targeted relaxation through proven steam heat technology.

1

Targeted Neck Relief

The specially designed 9cm x 17.3cm sheet covers the base of your neck where tension from desk work and stress typically accumulates. The adhesive patch stays in place regardless of movement or posture, delivering consistent warmth to the area most prone to stiffness.

Ergonomic design for neck area
2

Deep Moist Heat Penetration

Unlike dry heat, the MegRhythm steam patch combines warmth with moisture-rich steam. This moist heat mimics the soothing sensation of a hot towel compress, penetrating more deeply into tired muscles and providing more thorough relaxation than conventional heating pads.

Steam Circulation Technology
3

Drug-Free Relaxation

Good Night Steam Patch works through gentle external heat therapy - no drugs, supplements, or chemicals. The warming effect helps calm both physical tension and mental stress naturally, making it ideal for those who prefer non-pharmaceutical approaches to relaxation.

100% natural heat therapy
4

Pre-Sleep Ritual Support

Heat therapy has been used for centuries to promote relaxation. The 30-minute duration is perfectly calibrated for a pre-bedtime relaxation session. Many users incorporate it into their wind-down routine to signal the body it's time to rest.

Consumer validated

The Science

How It Works

Understanding how steam heat technology supports your body's natural relaxation process.

Steam Heat Activation

Steam Heat Activation

When you open the individual pouch, the sheet is exposed to air and iron powder oxidation begins generating consistent warmth at approximately 40°C.

This process also produces abundant steam. The specially designed Steam Circulation Technology ensures the steam is retained within the multi-layered non-woven fabric, delivering the warmth of a bath-like experience directly to your neck.
Temperature & Time Design

Temperature & Time Design

The patch maintains approximately 40°C (104°F) for about 30 minutes - warm enough to promote relaxation but comfortable against the skin.

This temperature is carefully calibrated for safety and effectiveness, activating within seconds of opening for immediate comfort without risk of burns.

The Science

Research & Evidence

A Note on Evidence: We present research on ingredients, not specific product claims. Individual results may vary. This supplement is not intended to diagnose, treat, cure, or prevent any disease.

About Brand Story

Kao Corporation

Kao Corporation — founded in 1887 in Tokyo by Tomiro Nagase — is one of Japan's largest consumer goods companies. The company name derives from its first product, "Kao Sekken" (face soap), with "Kao" (花王) meaning "king of flowers" in Japanese. Nagase's founding philosophy — "Good fortune is given only to those who work diligently and behave with integrity" — remains central to Kao's corporate values.

Guided by its "Yoki-Monozukuri" (excellent manufacturing) philosophy, Kao operates across hygiene, beauty, life care, cosmetics, and chemicals. Iconic brands include Bioré skincare, Curél sensitive skin care, Attack detergent, and Merries diapers, serving consumers in over 100 countries worldwide.

Our Curation Process

Why We Selected This Product

Every product at Naturacare undergoes rigorous evaluation before joining our collection.

Why Japan

The Japanese Advantage

Japan's supplement industry operates under some of the world's strictest quality standards. Combined with a cultural dedication to craftsmanship and centuries of wellness traditions, Japanese supplements represent a level of quality that's difficult to find elsewhere.

Rigorous Quality Standards

Japanese regulations require comprehensive testing at every stage of production, with standards that often exceed international requirements.

GMP-Certified Manufacturing

All our products come from facilities that meet Japan's strict GMP (Good Manufacturing Practice) certification requirements.

Centuries of Tradition

Many Japanese supplements draw on ingredients and formulations refined over generations, combining ancient wisdom with modern science.

Transparent Sourcing

Japanese manufacturers maintain complete traceability, so you know exactly where every ingredient comes from.

Directions

How to Use

Simple application for immediate relaxation.

Remove one sheet from its individual pouch immediately before use (activates upon air exposure).

Peel off the protective backing paper from the adhesive side of the sheet.

Apply the sheet directly to the base of your neck, ensuring smooth contact without wrinkles.

Leave on for approximately 30 minutes to enjoy the warming and relaxing effects.

Tips for Best Results

  • Use only one sheet per application; do not reuse sheets after opening
  • Apply when you can remain still and relaxed for optimal experience
  • Remove the sheet before sleeping to prevent hair entanglement
  • Peel off slowly from the edges for easy removal
  • For best results, incorporate into your pre-sleep routine 30-60 minutes before bed
  • Can be used during skincare routines, gentle stretching, or reading

What's Inside

Ingredients

Simple, functional components designed for safe heat delivery.

40°C

Heating Temperature

Comfortable warmth calibrated for safety and effectiveness

30 min

Heat Duration

Continuous steam and warmth for complete relaxation session

Ingredients: Skin-side non-woven fabric (Polypropylene, Polyethylene), Heating element (contains iron powder)

Allergen Information: Contains: Iron powder compounds. Free from: Fragrances (unscented version), parabens, alcohol, synthetic colorants, common allergens such as latex, nuts, gluten, soy, dairy.

Important Information

Safety & Precautions

Please read before use.

Skin Conditions

Not recommended for individuals with heat-sensitive skin, eczema, rashes, or skin prone to irritation from adhesives. Do not use on areas with cuts, abrasions, insect bites, inflammation, swelling from injuries, or where topical medications are applied.

Medical Conditions

Consult your healthcare provider before use if you have diabetes, circulatory disorders, are pregnant or nursing, or are under medical treatment. Not suitable for individuals who cannot remove the sheet independently or have impaired temperature sensation.

During Use

Discontinue use immediately if you experience excessive heat, pain, discomfort, redness, itching, or any skin irritation. Remove the sheet if it becomes wrinkled, lifted, or partially detached to prevent uneven heating.

Safety Warnings

Do not microwave or place near electrical outlets, as the pouch may ignite upon contact with electricity. Keep out of reach of children and pets. If contents contact skin or eyes, rinse thoroughly with water.

Sleep Usage

Remove the sheet before sleeping to prevent hair entanglement. Use while awake and remove before falling asleep for the safest experience.

Storage

Store away from direct sunlight, high temperatures, and heat sources. Store in a cool, dry place below 30°C. Do not use if the individual pouch is damaged.

Details

Product Specifications

Product Name
Good Night Steam Patch 12ct – Japanese Heat Therapy for Deep Relaxation & Better Sleep
Brand
Kao Corporation (MegRhythm)
Contents
12 sheets (individually wrapped)
Serving Size
1 sheet
Servings Per Container
12 applications
Net Weight
N/A
Form
Adhesive heat sheet
Country of Origin
Japan
Manufacturing
Kao Corporation

Questions

Frequently Asked Questions

Heat therapy has been used for centuries to promote muscle relaxation and ease tension.

A heating pad for neck and shoulders like the Good Night Steam Patch delivers targeted warmth that may help relax tight muscles. However, this product is for relaxation, not pain treatment - consult a doctor for persistent pain.
Do not apply to areas with cuts, abrasions, insect bites, inflammation, swelling, or where topical medications are applied.

Avoid placing on sensitive areas or locations where you cannot easily remove it. Do not use if you have heat-sensitive skin or impaired temperature sensation.
Heat therapy has been used for centuries to promote muscle relaxation and ease tension.

A heating pad for neck and shoulders like the Good Night Steam Patch delivers targeted warmth that may help relax tight muscles. However, this product is for relaxation, not pain treatment - consult a doctor for persistent pain.
Heat therapy has been used for centuries to promote muscle relaxation and ease tension.

A heating pad for neck and shoulders like the Good Night Steam Patch delivers targeted warmth that may help relax tight muscles. However, this product is for relaxation, not pain treatment - consult a doctor for persistent pain.
Heat therapy has been used for centuries to promote muscle relaxation and ease tension.

A heating pad for neck and shoulders like the Good Night Steam Patch delivers targeted warmth that may help relax tight muscles. However, this product is for relaxation, not pain treatment - consult a doctor for persistent pain.
Heat therapy has been used for centuries to promote muscle relaxation and ease tension.

A heating pad for neck and shoulders like the Good Night Steam Patch delivers targeted warmth that may help relax tight muscles. However, this product is for relaxation, not pain treatment - consult a doctor for persistent pain.
The patch heats to approximately 40°C (104°F) - warm enough to promote relaxation but comfortable against the skin.

The temperature is carefully calibrated for safety and effectiveness, similar to a warm bath or hot towel compress.
Each sheet provides consistent 40°C warmth for approximately 30 minutes, offering complete relaxation.

Heat activates within seconds of opening the individual pouch for immediate comfort. The steam and warmth duration is ideal for a pre-sleep relaxation session.
Yes! The Good Night Steam Patch is a topical heat therapy product that works externally.

It can be used alongside sleep supplements like Night Plus GABA Theanine or other relaxation products for comprehensive sleep support.
Each patch provides approximately 20-30 minutes of continuous warmth and steam.

This duration is ideal for a relaxation session before bed, during stretching, or while doing skincare routines.