While heat damage is permanent, there are ways of reducing the effects of it. Like, you could try protein treatments to help your hair appear healthier. Also, your hair might be dry and need moisture. What products are you using right now? Do you know your hair properties? Also, using different hair products or styling techniques might help bring out your hair's curliness.
Fine Texture, Normal Porosity, Normal Elasticity. Dyed to brown a few months ago.
Lowpoo:
Trader Joe's TTT Shampoo
Rinse Out:
Yes to Carrots, AOHR, Aubrey Organics Rosemary Peppermint
LI: Yes to Carrots
Stylers: Shea Moisture Curl Enhancing Smoothie, LA Looks Sports, Suave Professionals Captivating Curls Whipped Mousse