Polyester is the most popular of all synthetic materials. Indeed, polyester is a type of plastic. It’s man-made, cheap to produce, and 0% natural. It is commonly used these days . But here 3 reasons to avoid it as much as possible. 1. Polyester carries carcinogens : Researches confirmed that excessive wear of polyester fabrics can generate problems such as skin, lung and heart cancer, among others. 2. Polyester has shown to affect immune systems, especially those of children 3. Polyester is dangerous for the environment: Not only is Polyester very harmful for people, but also it is dangerous for the environment. It’s hard recycle it. And it can take up to 200 years to biodegrade. Also, its production disposes toxins in the water and emits lots of pollutants in the air.