Attributes

Brand	-
Category	Health Supplies / Heat Patches
Origin	-
Brand	Nanjing Tongrentang
Key Ingredients	Mugwort, Ginger, Iron Powder, Activated Carbon
Primary Function	Uterine Warming and Hot Compress
Duration (Uterine)	Up to 24 Hours
Duration (Hot Compress)	Up to 12 Hours
Target Audience	Women
Application Area	Lower Abdomen, Lower Back, Shoulders
Package Contents	10 Individual Heat Patches
Scent Profile	Natural Herbal Mugwort and Ginger
Safety Feature	Breathable Non-woven Fabric with Controlled Temperature

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Better than electric heaters

I love that these are portable. I can wear them under my clothes while running errands. The adhesive stays on well even when moving around.

Anonymous

Mar 27, 2026

Rating: 3/5

Good but takes time to activate

Once they get going, they are great. However, it took about 20 minutes after opening the package to feel significant heat. Plan ahead before applying.

Anonymous

Mar 17, 2026

Rating: 5/5

A lifesaver during my cycle

These patches provide consistent warmth without getting too hot. The mugwort scent is very soothing and helps me relax. I wore one for a full workday and it lasted exactly as advertised.

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect gift for winter

Bought a bulk pack for my daughters and sisters. Everyone loves them. The packaging is nice and the refund guarantee gave me confidence to try them.

Anonymous

Mar 06, 2026

Rating: 4/5

Great heat, strong smell

The heating effect is excellent and really helps with cramps. Just be aware that the herbal smell is quite potent, which I like, but might be overwhelming for some.

Anonymous

Mar 03, 2026

Rating: 5/5

Tongrentang quality is trusted

I have used this brand for years. These new extra-long lasting patches are an improvement. They keep my lower back warm throughout the night.

5 FAQ

Q: What is the maximum temperature reached?

A: The average surface temperature stabilizes between 45°C and 50°C (113°F - 122°F), designed to be warm and therapeutic without causing burns when used as directed.

Q: Can I sleep with these on?

A: Yes, many customers use them overnight. However, please ensure you apply it to clothing rather than bare skin and check that the temperature feels comfortable before falling asleep.

Q: Can these patches be worn directly on the skin?

A: We recommend applying the patch to your underwear or a thin layer of clothing to prevent direct contact, which ensures comfort and prevents potential skin irritation from prolonged heat.

Q: How do I activate the heat pack?

A: Simply tear open the individual outer packaging and expose the inner pad to air. The ingredients will react with oxygen to generate heat within 10 to 20 minutes.

Q: Is the scent artificial or natural?

A: The scent comes from real extracted mugwort and ginger ingredients included in the formula, providing a natural herbal aroma rather than an artificial fragrance.

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