Thin and wounded ass crack after BBL. What's the cause and how can I solve it?

I’m 3years post Brazilian butt lift surgery. I’m experiencing the skin on my butt crack seems thin and tender almost like its ripping. It’s a little itchy and when I touch it as I bathe it feels like it’s being peeled. I’ve been applying neosporin but tonight I cleansed it with spirit first to stop the itching. It stung but stopped itching. What’s the cause and how can I solve it? Make the skin on my butt crack thicker and less likely to break or peel