People who are allergic to jewelry and metals, engaged in manual labor or cleaning work.

1. Strawberry crystal, as a kind of natural mineral crystal, will have allergic reaction to jewelry or metal, so people who are allergic to jewelry or metal should not wear it.

2. Because of the nature of work, people engaged in manual labor or cleaning work are prone to bump and impact, which increases the chance of appearance damage. Cleaning agent comes into contact with cleaning agent, and the chemical components in it will corrode strawberry crystals.