1, the main component of the etched hair rack is acrylic fiber, which is neutral, mild and stable and harmless to human body. As early as 1970s, it was a fashionable fabric, which was several times more expensive than the fabric made directly from animal hair.
2. The so-called pull frame is to add spandex yarn in the middle to make it elastic and shape the body. Spandex is harmless to the body.
3. In order to show the effect of fabric hair, the knitted fabric adopts post-treatment bristle technology, which will make hair mixed in the fabric and easily produce allergic reaction to human respiratory tract. Moreover, after the fabric is washed and dried, it will lose its hair in the hot air and produce flying flowers.
To sum up, the fabric of the wool-eroding stretcher itself is harmless to human body, but it will produce flying flowers during use, causing respiratory allergies.