Yes, cremation jewelry is generally safe to wear. The ashes are carefully sealed within the jewelry piece, ensuring that they don't come into contact with your skin or pose any health risks.
When you carry the blood of a loved one with you, it represents a magical bond between two souls. Because of this, blood vial jewelry has become increasingly popular.
Grief, mourning, and remembrance by their very nature are incredibly personal, and each person has unique ways to cope with loss. Coping with that grief is often expressed in various methods of memorialization.