No, I wouldn't recommend it. The bleach could irritate the burn and make it worse or cause infection. When bleaching or coloring, you don't want to have any kind of lesions or open wounds on your scalp.
Try using a toothbrush and some toothpaste or baking soda and brush it all over. You can use warm water to rinse it pretty well and see if the stickiness...
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
It is possible that if you treat the immunological and endocrinological diseases that your hair may grow back. I would consult an endocrinologist or immunologist about your hair loss.
Yes, but it's more effective if you have an iron with a large barrel (at least 2 inches). This method also tends to work better on loose curls than on...