1, skin allergy: Some people may be allergic to the metal components in tourmaline, and long-term contact may cause skin allergic reaction. People with sensitive skin are still not recommended to wear it.
2, metal poisoning: tourmaline metal components may penetrate into the skin, long-term contact may lead to metal poisoning, for their own health, beautiful or not can stand aside.
3. Skin irritation: The tourmaline surface may have uneven or sharp parts. If you don't pay attention when you wear it, it's not good to scratch yourself inadvertently.
4. Mental dependence: Wearing tourmaline for a long time may form a psychological dependence, thinking that only wearing tourmaline can get good luck or protect yourself, leading to excessive dependence on it.
5. Chemicals: The chemical composition and physical characteristics of tourmaline may cause some chemicals such as lead and chromium to enter the human body through the skin and respiratory tract. These substances may have a good effect on the body.
Refer to the above content: Baidu Encyclopedia-Tourmaline