1. Metal oxidation occurred: the purple bracelet may contain silver or other metal elements, and when it comes into contact with air or other substances, the metal may be oxidized to produce black impurities.
2. Accumulated dirt or dust: If the bracelet is not cleaned for a long time or often comes into contact with dust, it may lead to the accumulation of black dirt.
3. Residue of cosmetics or skin care products: Some ingredients in cosmetics or skin care products may react with the metal on the bracelet to form black impurities.
In order to remove the black impurities on the violet bracelet, you can try the following methods:
1. cleaner: use mild soapy water or jewelry cleaner to clean the bracelet. Soak the bracelet in warm water, and then gently wipe it clean with a soft cloth.
2. Toothbrush: Dip a soft toothbrush in soapy water or jewelry cleaner and gently scrub the black impurities on the bracelet.
3. Professional cleaning: If the black impurities on the bracelet are stubborn or cannot be cleaned, consider sending the bracelet to a jewelry store or a professional cleaning shop for professional cleaning and polishing.
Please note that before cleaning the bracelet, check the gems or other decorations on the bracelet to ensure that the detergent will not damage it. In addition, regular cleaning and maintenance of bracelets can reduce the generation of black impurities.