Chemo Head Scarves Will Hair Grow Back After Chemotherapy If You Have Your Head Covered Constantly?

Will hair grow back after chemotherapy if you have your head covered constantly? - chemo head scarves

My mother has lung cancer and later finishing / chemotherapy, radiation about a month ago. He is very upset to lose her hair and told him he should begin to grow again 3 weeks after chemotherapy, but has not finished yet. It was a question I can not answer if I'm just looking for help. If your head is always covered with a wig or hat, scarf is covered in your hair, yet continue to rise again, or should discover the heads, while at home? She believes that "venting" the chef to help grow hair.