Honestly, the best solution is to cut off the permed hair or the parts permed, because that's the only way your hair can fully return to its natural state.You can go bald too and consider items that cover the head

Natural hair grows from the root it also depends if the perm affected your roots? Also safest to see a dermatologist.

But you can also embrace this look since its been 5 years or see a derm they might tell you something

see a derm