2.b Emerald is harmful to health. Because the heavy metals in B jadeite seriously exceed the standard, it will have a very bad influence on human body after long-term wear and skin contact. Skin aging will accelerate the accumulation of pigments, causing endocrine disorders, and women will also lead to irregular menstruation, dizziness and long tumors. And other adverse consequences.
3. The jadeite of B goods is basically harmless to human health. Acids and lye generally do not remain. Glue injection may contain formaldehyde, but the amount is very small.
Hundreds of years of wearing and using history have proved that natural jadeite is harmless to health. However, modern jadeite is optimized. After pickling, glue injection and dyeing, jadeite products will leave chemical residues inside. If you wear it for a long time, sweat and sebum will penetrate, which will lead to the leakage of residues and cause skin harm. Not recommended.