When the gold turns black, how to clean it will brighten

**Cleaning method for darkening: 2 grams of salt and baking soda can be used.

7 grams, 8 grams of bleaching powder, 60 ml of water, prepare into gold cleaning agent, put the gold jewelry in a bowl, pour in the cleaning agent, after 2 hours, take out the gold jewelry with water (preferably not hard water.

After rinsing, bury in the wood chips to dry, and then wipe with a soft cloth.

**When it turns black, you can use toothpaste to clean, after dipping a small amount of toothpaste with a toothbrush, and then repeatedly brush the surface with a toothbrush**, the black dirt on it can be gradually removed, and then rinse with water and wipe dry.

Rice water. In addition, the blackened ** can also be cleaned with rice washing water, which contains a large amount of alkaloids.

After soaking **in rice washing water for a period of time, the black dirt on it will gradually fall off, and **can also restore its original luster.

Developer powder. The developer powder can also be used to clean the blackened **, after stirring the developer powder with a small amount of warm water into a solution, put the ** into the solution and soak it for a few minutes, and then brush it repeatedly with a soft brush, and then rinse it with water.

There are many reasons that will cause **blackening, first of all**It will react with some substances in cosmetics, and if we wear makeup when wearing**, it is easy to make **blackening. Secondly, sweat contains waste products in our body, and they will also cause **blackening after contact with **.

**Jewelry has been worn for a long time, it is black and lusterless, and it can be cleaned at home, without sending it to the gold store for cleaning.

**The cleaning methods that will become bright when it turns black are:

1. Coke. You can place ** in a container with cola and soak it for about 6 minutes, so that you can remove the dust and black stains on the surface of **, and then rinse it with water to make the color of ** brighter.

2. Vinegar washing. You can use vinegar to clean **, prepare a glass of water, and then pour an appropriate amount of vinegar into it, soak it for about 4 5 minutes, and then use a soft brush to gently scrub it.

3. Toothpaste. Wipe the blackened part of the surface with a moist cotton cloth, then apply toothpaste, and then rinse it in clean water, especially in the blackened area a few more times to maintain the original luster.

4. Developing powder.

First pour the developer powder into the container and mix it with water thoroughly, and then put the blackened ** into the mixed solution to soak and wash, take it out after 5 minutes, and wash it with water and wipe it dry.

5. Soapy water.

Take a small piece of soap and put it in warm water to fully dissolve, then soak ** in warm soapy water, gently scrub the surface with a cotton cloth, and then put it in clean water to wash it off.

6. Baking soda.

Put half a spoon of salt and a spoonful of baking soda in a bowl, add 2-3 drops of detergent after mixing, then add water, stir well, soak in the blackened ** for an hour, clean it with a toothbrush after taking it out, and finally wash it with water.

7. Ultrasound.

Put ** into the ultrasonic cleaner and it can be cleaned automatically**. Vibrating at the ultrasonic frequency, it can clean off the stains that are difficult to remove on the surface, and the ultrasonic has an emulsifying effect to prevent the stains from adhering to the surface again.

**The recovery methods for darkening are toothpaste cleaning, vinegar cleaning, and developer powder cleaning.

1. Toothpaste cleaning

Toothpaste can not only be used to whiten our teeth, but also can be used to gently dip some toothpaste with a brush to scrub the blackened jewelry, so as to restore the original luster. However, it is not recommended to use toothpaste containing particles to clean**, otherwise it will cause wear and tear on the surface**.

2. Vinegar cleaning

If you want to brighten it when it turns black, you can clean it with vinegar, as long as you prepare a glass of water first, then pour in an appropriate amount of vinegar, stir it well, and then put it in and soak it for 4-5 minutes, and then take it out and brush it gently on the surface of the ** with a soft brush, and finally clean it with water, you can make the **gloss stronger.

3. Cleaning of developer powder

Mix the developer powder with 30-40 warm water to form a developer, and then dilute it with 1 times of water. Then put the blackened ** jewelry in it and soak it for 4-6 minutes, brush off the dirt with a soft brush, and rinse it with water several times to restore the luster again.

**Reasons for darkening:

1. **Jewelry will be worn for a long time, and it will lose its bright color without luster. Some of the environment of life will make the jewelry black, and in drier areas, the air contains more fine dust, which can erode the jewelry into fine debris, and there will be black stains.

2. The waste and harmful substances discharged from the human body, such as chlorine, lactic acid, urea, etc., will have a chemical reaction in contact with the silver and copper in the jewelry, leaving very obvious black traces.

3. **It will react with some substances in cosmetics, and if we wear makeup when we wear it, it is easy to make **black.

<>**After darkening, you can use toothpaste to brush and wash with toilet water.

Wipe and other methods to restore the luster of **, in order to avoid damage to **, it is recommended to send it to a professional institution for cleaning, usually in the store where you buy ** can be cleaned for free.

** jewelry because of other metal reasons, easy to appear black, when**black, you can take the following methods to restore the luster:

1.Brush with toothpaste. Use a soft-bristled toothbrush, take a small amount of toothpaste, then gently brush the surface of **, then rinse with water, and finally use a cotton cloth to dry ** to avoid moisture residue.

2.Wipe with toilet water. Use a cotton swab dipped in toilet water, then gently wipe the ** surface, and finally rinse with water and dry with a cotton cloth.

3.Cleaning by professional institutions. In order to avoid damage to ** when cleaning yourself, it is recommended to send the blackened ** to a professional institution for cleaning, under normal circumstances, free cleaning services will be provided in the store where you buy **, you can consult it when you buy.

**It needs to be cleaned regularly to avoid not only turning black but also contaminated with human sweat stains and odors after a long time. Daily maintenance is very important.

If the jewelry turns black, you can often use a mixture of salt water and vinegar to clean the surface of the jewelry. You can also use toothpaste to clean, toothpaste has a cleaning effect on **, you can dip some on **jewelry.

Rub it with a rubber or the sole of your shoes to light up