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I've had problems with different types of picking and other OCD habits. So when I was in middle school I used to compulsively pick/dig my nail into certain spots on my scalp, i think it lasted 2-3 years. Around that amount of time. I would also just compulsively scratch my scalp a lot all over. I haven't done this in a while. I still have issues with constantly touching and playing with my hair not being able to stop but not this scalp digging I used to do. Now I don't remember where exactly the spots I picked where. But I've noticed that there are certain spots on my scalp that look pinkish and a little more bare. So I'm thinking that it might be that. I'm just wondering if that's definitely what it is and if there's a chance the hair could grow back, it's been a year and a half maybe two or so since I had this issue.
If you've removed the follicles or damaged them, then hair will probably not grow back in those areas. You could seek that info from a hair growth specialist to see what your situation is and what options are.
Bosley has a hair growth system that has minoxidil....separate needs for male and female. It could be something to look into if you have viable follicles that have stopped producing a hair.
You should consult a dermatologist to know about this. Most of these symptoms because of skin problems. So you should understand what is it. After that take medication for that. Better to choose Ayurveda. It giving the complete cure for most of the skin issues. For Ayurveda consultation and best treatment visit: https://goo.gl/9mjJu3