1. After wearing it, please wipe it with a soft cloth. When not in use, be sure to keep it in a sealed poly bag (plastic bag). 2. Be cautious that depending on the material, the product color may change or the plating can be removed due to air, humidity, water, sweat, cosmetics, spray and perfume. 3. Please avoid wearing the product while washing your face, bathing, sleeping and doing exercise. 4. Please do not use detergents or chemicals. 5. Be careful not to leave the product near a high-temperature place for a long time (high-temperature electric blanket, floor, heat) because adhesives were used for the product function. 6. Be careful not to give any shock to the product, the gemstone can broke when crashing against hard materials.