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Avoid Chemical Exposure
Avoid contact between jewelry and various chemical substances, as they can corrode precious metals (e.g., gold, silver), damage the surface of gemstones, or destroy the structure of organic jewelry:
Cosmetics: Put on jewelry after applying makeup (foundation, eyeshadow, lipstick), spraying perfume, or using hairspray. This prevents chemical components from adhering to the jewelry surface (pearls and corals, in particular, can turn yellow when corroded by perfume).
Personal Care & Cleaning Products: Be sure to remove jewelry when taking a bath (exposed to shampoo, body wash), washing dishes (exposed to dish soap), or doing housework (exposed to detergents). This avoids the peeling of precious metal platings and the loosening of gemstone settings.
Others: Remove all jewelry before swimming (chlorine in swimming pools oxidizes silver and corrodes K-gold) and soaking in hot springs (sulfur discolors gold).
Avoid Physical Damage
Jewelry varies greatly in hardness (e.g., diamonds have the highest hardness but are brittle; pearls have a hardness of only 2.5-4.5 and are extremely easy to scratch). Avoid collisions, friction, and external extrusion:
Remove jewelry during sports or manual labor: Activities like running, weightlifting, or gardening may cause jewelry to collide with hard objects, leading to deformation of metal parts or chipping of gemstones.
Do not stack or rub different types of jewelry: For example, wearing a pearl necklace and a diamond necklace together will cause the diamond to scratch the pearl's surface; storing silver jewelry with gold jewelry may cause color cross-contamination.
Take Off Jewelry at Appropriate Times
Before sleeping: Wearing jewelry while sleeping may cause it to get tangled in hair or bedding, or press against the skin, leading to deformation (especially for soft metals like gold) or damage to inlaid gemstones.
Before cooking: Oil fumes and food residues during cooking can adhere to jewelry, making it difficult to clean over time and affecting its luster.
| Jewelry Type | Cleaning Method | Taboos to Avoid |
|---|---|---|
| Precious Metals (Gold, Silver, K-gold) | 1. For daily cleaning: Use a soft lint-free cloth (e.g., microfiber cloth) to wipe the surface gently to remove fingerprints and dust. 2. For deep cleaning: Soak in warm water mixed with a small amount of neutral detergent (e.g., mild dish soap) for 10-15 minutes, then scrub gently with a soft-bristled toothbrush (avoid hard bristles), and rinse with clean water before drying. | 1. Do not use abrasive cleaners (e.g., toothpaste, metal polish) as they will scratch the metal surface and remove the plating of K-gold/silver. 2. Silver jewelry should not be left in a humid environment for a long time (to prevent tarnishing); wipe it with a silver polishing cloth regularly if tarnished. |
| Gemstones (Diamonds, Rubies, Sapphires) | 1. Same as the deep cleaning method for precious metals (suitable for "hard gemstones" with hardness ≥7). 2. For diamond jewelry: Pay attention to cleaning the gap between the diamond and the setting, as oil and dust easily accumulate there and affect the diamond's fire. | 1. Do not clean with strong acid/alkali solutions (e.g., bleach, ammonia) as they may damage the gemstone's internal structure. 2. Avoid ultrasonic cleaners for gemstones with internal cracks (e.g., some rubies) – the vibration may expand the cracks. |
| Organic Jewelry (Pearls, Corals, Amber) | 1. Only use a soft dry cloth to wipe the surface gently after wearing (to remove sweat or skin oils, which can corrode organic materials over time). 2. If slightly soiled, lightly dab with a damp soft cloth, then dry immediately with a dry cloth. | 1. Do not soak in water or use any chemical cleaners (including soapy water) – this will damage the organic structure and cause discoloration/cracking. 2. Do not expose to high temperatures (e.g., direct sunlight, hair dryers) as it will make pearls dry and brittle and melt amber. |
Choose the Right Storage Container
Use a jewelry box with separate compartments or a jewelry roll with soft fabric linings (e.g., velvet, silk) to store each piece of jewelry individually. This prevents friction and collision between different jewelry items.
For silver jewelry, store it in an airtight container (e.g., a sealed plastic bag or a jewelry box with anti-tarnish strips) with a desiccant (e.g., silica gel packets) to isolate air and moisture and slow down tarnishing.
Avoid storing jewelry in paper boxes or plastic bags that are not airtight for a long time – paper may absorb moisture, and low-quality plastic may release chemicals that react with metals.
Control Storage Environment
Keep the storage area dry and cool: Avoid placing the jewelry box near windows (direct sunlight causes discoloration of organic jewelry and metals), bathrooms (high humidity), or stoves (high temperature and oil fumes). The ideal humidity range is 40%-60%.
Do not store jewelry with 樟脑丸 (mothballs) or other chemical preservatives – the volatile substances will corrode pearls, corals, and metals.
High-Value Jewelry (e.g., Diamond Rings, Ruby Necklaces)
Regularly check the setting: Have a professional jeweler inspect the inlay tightness every 6-12 months (especially for prong-set gemstones) to prevent gemstones from falling off due to loose prongs.
Insure the jewelry: For high-value jewelry, purchase professional jewelry insurance to cover losses caused by theft, loss, or accidental damage.
Fragile Jewelry (e.g., Pearl Necklaces, Opal Jewelry)
Pearl necklaces: Avoid pulling the string when wearing or taking off; restring them every 1-2 years (depending on frequency of wear) to prevent the string from breaking due to aging, which may cause pearls to scatter.
Opals: Opals contain water and are prone to cracking when dehydrated. Store them in a container with a small amount of damp cotton (replace the cotton regularly to keep it slightly damp) to maintain proper moisture. Do not expose them to dry environments (e.g., air-conditioned rooms for a long time).
Record Jewelry Information: Take photos of each piece of jewelry, record details such as brand, material, weight, purchase date, and appraisal certificate (for high-value items), and store the information in a safe place. This is helpful for insurance claims or identification if the jewelry is lost or stolen.
Avoid "Over-Wearing": Do not wear the same piece of jewelry every day (especially soft metals like gold and organic jewelry like pearls). Giving jewelry "rest time" can reduce wear and extend its service life.
