Gua sha made of stainless steel, aluminum alloy, jade, and resin. Are there differences in weight among them? What are their respective characteristics?

Gua sha made of stainless steel, aluminum alloy, jade, and resin.

Weight：

• Stainless steel gua sha: It is relatively heavy. A single 304 stainless steel gua sha weighs 72 grams.
• Aluminum alloy gua sha: It is lightweight, convenient for carrying and operation.
• Jade gua sha: The weight varies depending on the type and size of the jade. For example, a rose quartz gua sha weighs 45.8 grams, and a Hetian jade seed material gua sha weighs 210 grams.
• Resin gua sha: It is usually lightweight. For instance, a certain resin amber crescent-shaped gua sha weighs 60 grams.

• Stainless steel gua sha: It has good corrosion resistance, a smooth and solid surface, is easy to clean, not prone to breeding bacteria, and is suitable for household use. When in use, it can generate moderate heat to promote blood circulation. It has various shapes, is beautiful and durable, and some of them give a light luxury and high-end feel.
• Aluminum alloy gua sha: It is corrosion-resistant and can be customized in small batches for OEM production. It comes in a variety of colors and can meet personalized needs.
• Jade gua sha: It has a sweet and mild nature and taste, possesses natural health care effects, can moisten the heart and lungs, clear lung heat, contains trace elements, and can nourish yin and clear heat, etc. With a warm, smooth and glossy texture, when used for facial scraping, it can nourish the skin, improve firmness, detoxify and beautify the complexion, and also help to promote qi and blood circulation and dredge the meridians.
• Resin gua sha: It is wear-resistant, has good lubricity, is not easily damaged, has a reasonable design, is convenient to use, and can be made into various shapes and sizes. However, it may generate static electricity when in use.