Hello doctor, my daughter is 4.5 years old. I'm quite concern about her hair growth. Because her hair is thin. The scalp is much visible from the front. I putted so much efforts and care to make her hair more thick and to promote new baby hair but there is much gap between hair roots from front side. I tried many hair oils. What should I do. Should I bald her hair again? I've attached her scalp picture from front side. Thank you.