Waterproof PU Black Herbal Plaster Patch for Neck Knee Joint Body Care 14x14cm

Waterproof PU Black Herbal Plaster (Lao Hei Gao, 老黑膏) is a self-heating external patch made with herbal powder on a PU film backing. In TCM theory, black herbal plasters are traditionally associated with warming and soothing applications for discomfort in the neck, knees, and joints. Each patch measures 14×14 cm with a 10.5 cm herbal core and adheres to the skin for convenient daily body care.

Key Selling Points

• Waterproof PU film backing resists moisture during daily wear
• Self-heating herbal powder core provides gentle warmth without external heating
• Traditional Lao Hei Gao black plaster format for external body care
• Large 14×14 cm patch with 10.5 cm herbal core covers broad areas
• Suitable for neck, knee, joint, and general body application

Quality & Sensory

The patch typically presents a dark black herbal paste core with a smooth, dense texture and a characteristic warm herbal aroma. The PU film backing is flexible and waterproof. It is designed for external skin application only and is not intended for tasting or drinking.

Technical Specifications

Usage Scenarios

• External application to the neck area
• External application to the knee or joint areas
• General body external use for daily care
• External use during rest or sedentary work

Traditional Uses

In TCM folk practice, black herbal plasters such as Lao Hei Gao are traditionally applied externally to the neck, knees, and joints. They are associated with warming and soothing body care, often used after physical activity or during seasonal changes. The self-heating herbal core is traditionally valued for providing gentle warmth during wear.

FAQ Q&A