Question: what will a perm do to naturally curly hair?
Answer: Hairdressers stress that a perm swells the hairshaft, which can cause already-porous curly hair to become dry and frizzy, the opposite effect of what a curly intended. ... "If you want to get rid of frizz, wash and wet your hair every day. If you want to get rid of curl, you really have to relax it."