So what’s the point of using a cotton or hemp shower curtain? Thank you very much for asking! The short answer is this: switching to shower curtains made from cotton, hemp or pack cloth fibers can add a little comfort to your personal life and have a tremendously positive impact on the environment. With proper care, these curtains will give you years of service & enjoyment. Side Effects include a sudden urge to burst into song while showering. Symptoms usually subside.