will my hair revert back to its natrual curs?

so I have 4c hair natrually, I straightened my hair 4 weeks ago. throughout the time I had it straight I've flat ironed it about 5 ( lasted 3 weeks straight ) I've used heat protectant had the flat iron set to like 450° how can I get my curls back i miss them so much  any treatments I can do? or do I have to cut it? I've attached pictures

3 Answers

this is wat my curls look like now 
this is what my hair natrually is 
I'm really sorry, heat damage is heat damage, heat protectant only really works a tiny bit, you can't prevent heat damage with heat protectant, you will have too cut it off, or so twist outs/perm rod sets too hide the damage