A good bra can really make the blood circulation of the breast smooth, prevent the blood flow blockage of the breast, be beneficial to the development of the breast and enhance the resistance. It should be noted that the model of the bra should be adapted to the size of the breast, not too tight, especially during the development of girls. With the development of the breast, it is necessary to change the appropriate model in time. Secondly, the material for making bras should not be too hard, but soft, supportive and breathable. It's best to use a thin cotton cloth. It's really cold. Other chemical fibers such as nylon have poor hygroscopicity and breathability, which can also cause some people.

skin

Allergy, it is best not to use it. Bra shoulder straps should not be too thin and narrow, and should be two fingers wide, so as not to damage the skin. Third, there should be a certain adjustment time every day. When you sleep at night, you should take off your bra and relax the muscles of your breasts, chest and back, which is conducive to local blood circulation.