Over time, this can result in split ends. Since your hair is inaccessible while styled, you won’t notice the damage until the style is undone. At that point, there might be quite a bit to deal with.

1 School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen, Guangdong, China 2 Endocrinology Department, First People’s Hospital of Foshan, Foshan, China Hair follicle (HF) ...