White羽绒服变黄，原因、预防和处理方法

The white down jacket turns yellow due to the oxidation of the fabric and the dye. The more frequently it is washed, the higher the risk of color change. To prevent this, you can use acid-free detergent, wash in cold water, and let the down jacket air-dry. If the down jacket has already turned yellow, you can try to restore its original color by soaking it in a solution of one part bleach to ten parts water for about 30 minutes, then rinsing it with clean water and letting it air-dry.

As the winter approaches, many people find their white down jackets turning yellow. This problem is not just about aesthetics; it can also affect the performance and lifespan of the jacket. So, what are the causes of white down jackets turning yellow? And what can be done to prevent and treat this issue? Here are some tips to help you keep your white down jacket looking like new for years to come.

Causes of White Down Jackets Turning Yellow

1、Exposure to sunlight: One of the main reasons for a white down jacket to turn yellow is exposure to sunlight. UV rays in sunlight can cause the fabric to fade and become yellowed. This process is accelerated if the jacket is washed with detergent containing brighteners, which can make the fabric more susceptible to UV damage.

2、Ageing: Over time, natural wear and tear can cause the down jacket to become yellowed. This is particularly noticeable in jackets made from natural fibres like cotton or silk.

3、Water damage: Another common cause of yellowing is water damage. If the jacket is not properly dried after being washed, it can become mouldy or mildewed, which will result in a yellowed appearance.

4、Chemical reactions: Sometimes, the yellowing may be caused by chemical reactions between the fabric and other substances, such as sweat or body oils. This can happen when these substances are not properly washed out of the jacket after use.

Prevention and Treatment Methods

1、Limit sunlight exposure: To prevent your down jacket from turning yellow, limit its exposure to sunlight by storing it in a cool, shady place when not in use. Avoid leaving it out in the sun for extended periods, even if it’s not being worn.

2、Choose the right detergent: Use a detergent specifically designed for delicate fabrics like down jackets. Avoid using products that contain brighteners or other chemicals that can damage the fabric and cause it to turn yellow.

3、Proper care: Follow the care instructions on the label carefully. This includes using the right amount of detergent, rinsing thoroughly after washing, and drying the jacket properly in a well-ventilated area to prevent mould or mildew from developing.

4、Treatments: If your down jacket has already turned yellow, you can try treating it with a solution of hydrogen peroxide and water (1:1 ratio). Apply the solution to the affected areas using a soft cloth or sponge, let it sit for a few minutes, then rinse with clean water and dry as usual. Another option is to take the jacket to a professional dry cleaner for a thorough cleaning and treatment.

In conclusion, while white down jackets turning yellow may be a common problem, it’s one that can be prevented and treated with proper care and attention. By understanding the causes of yellowing and implementing these prevention and treatment methods, you can keep your white down jacket looking like new for many years to come.

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