What kind of thermal underwear is warmer?
Thermal underwear has a constant temperature of 37 to heat itself, and there are also some velvet underwear, which are often worn by everyone in winter. Usually, if you are not very afraid of the cold, you can use warm clothes with a constant temperature of 37. This kind of underwear is not bloated, and it goes well with clothes. If you are very afraid of cold, you'd better choose thick velvet warm clothes. This kind of underwear is not affected by the wind, and it has a stronger warmth retention effect in cold winter!
Why not wear velvet thermal underwear?
Most cashmere thermal underwear sold in the market is made of multi-component composite sandwich materials. Generally, adding a fluffy chemical fiber or ultra-thin film between two layers of cotton cloth or chemical fiber fabrics can effectively prevent the air inside the clothes from exchanging with the cold air outside, thus playing a better role in keeping warm. But if you wear it on your body, it will have an airtight and hot effect.
In autumn and winter, the weather is dry, the skin absorbs less water from the air and the cuticle is dry. Wearing thermal underwear may aggravate the skin's lack of water, resulting in dry and itchy skin. Clothes containing chemical fiber components have a disadvantage in keeping warm, that is, they are easy to rub with human body and external clothes to generate static electricity.
Can the new thermal underwear be worn without washing?
Better not. Thermal underwear is worn close to the body, and it is best to wash the close-fitting clothes before wearing them. In order to make the goods beautiful and meet the needs of storage, manufacturers often use various chemicals to treat fabrics. The purpose of washing and wearing is to remove these chemicals harmful to the skin. Also, in the process of making clothes, there are so many processes and hands are so dirty.
The harm of newly bought clothes to human body
1, residual formaldehyde: clothes need formaldehyde in the process of printing and dyeing, because formaldehyde is needed for color fixation and wrinkle prevention. The difference between genuine and non-genuine clothes, in addition to the quality of clothes, there is also an important indicator is formaldehyde content. As we all know, formaldehyde is bad for your health, so I hope that after you buy new clothes, you must clean them before wearing them, so that the residual formaldehyde can be washed off.
2. Residual dust: Today's clothes are all made by machines, that is, mass production. During production, all kinds of fabrics and parts for making clothes are piled on the ground, and the ground is not disinfected or mopped all the year round, but simply cleaned. A piece of clothing has to pass through the hands of dozens of workers, which is particularly dirty and must be cleaned.
3, may cause allergies: some clothes will fade, if it happens to be sensitive skin, it is likely to cause contact dermatitis, if not treated in time, it may also cause bacterial infection or pathological changes, which is very unfavorable to health. In addition, whether it is the storage of cloth or clothes, it is inevitable to use chemicals to achieve the effect because of insects and moisture. Therefore, it is best to wash the clothes after you buy them.