It's difficult to tell from the pictures you posted. The sides seem to be 3a/3b, but the front seems to either be severely dehydrated or 4b. You may have some damage. Either way you need to learn your hair properties and lay off the heat styling until your hair is healthy. Www.livecurlylivefree.com is a great site to learn about this, as well as get an analysis done. Your properties are key to getting your hair healthy again. Curl pattern is important when it comes to styling and cutting, but not care and products.

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3b/c, medium-coarse, low porosity, high density
HG: Jessicurl Too Shea and Kinky Curly Curling Custard
Shampoo: nonsulfate shampoo and Suave Naturals sulfate shampoo when needed