How to wash gold after it turns black? Full analysis of hot topics and cleaning methods on the Internet in the past 10 days
Recently, "How to wash gold that turns black" has become a hot topic on social platforms. Many consumers have reported that gold jewelry turns black after wearing it. This article will combine the hot content on the Internet in the past 10 days to analyze the reasons why gold turns black, and provide scientific and effective cleaning methods, as well as relevant data comparisons.
1. Common causes of gold turning black
Blackening of gold is not a quality problem of pure gold, but is usually caused by the following factors:
| Reason type | Specific instructions | Proportion (sampled data) |
|---|---|---|
| Reaction between sweat and cosmetics | Sulfides in sweat or mercury and lead components in cosmetics react with the gold surface | 42% |
| Environmental oxidation | Long-term exposure to air and sulfides (such as hot springs and haze environments) | 35% |
| Friction with other metals | Wearing it mixed with silver, copper and other jewelry can cause electrochemical reactions | 18% |
| Plating peeling off | The alloy oxidation exposed after surface wear of some 3D hard gold or gold-plated products | 5% |
2. Actual measurement comparison of popular cleaning methods across the entire network
According to actual measurements by users on Douyin, Xiaohongshu and other platforms, the following methods have significant effects:
| method | Operation steps | Applicable scenarios | success rate |
|---|---|---|---|
| Toothpaste cleaning method | Use a soft-bristled toothbrush dipped in toothpaste and brush gently, then rinse with water | Mild oxidation | 89% |
| Baking soda + white vinegar | Soak for 10 minutes and wipe with cotton cloth | Stubborn dark spots | 76% |
| Professional cleaning fluid | Soak for 5-15 minutes according to instructions | Fine hollow style | 95% |
| Ultrasonic cleaning | Cleaning of jewelry store instruments (avoid using for enamel jewelry) | deep cleaning | 100% |
3. Expert advice and precautions
1.Avoid using bleach: Strong alkaline cleaners will corrode gold surfaces.
2.Regular maintenance: Clean with neutral detergent once a month and remove when swimming or hot spring bathing.
3.Storage method: Store separately in a velvet jewelry box to prevent friction and oxidation.
4.K gold needs to be cautious: 18K gold and other jewelry with low gold content are recommended to be returned to the factory for maintenance.
4. Recent relevant hot events
1."Golden Shampoo" Controversy: An Internet celebrity recommended using shampoo to clean gold, but experts pointed out that its surfactants may accelerate oxidation.
2.Live broadcast room low price gold trap: Some consumers experienced severe discoloration after purchasing low-priced “gold”, which was found to be copper alloy.
3.Impact of environmental policies: The new national standard requires gold jewelry to be clearly marked with the warning "may change color due to environmental factors".
Conclusion
Blackening of gold is a common phenomenon, and its luster can be restored through scientific methods. It is recommended that consumers choose formal channels to purchase and perform regular maintenance. If the cleaning is ineffective, you should contact the merchant in time to check whether it is a quality problem. Only by maintaining correct wearing habits can gold jewelry stay new for a long time.
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