My hair has been thinning receding for 14 years now.
I have been getting away with it through styling/nano fibers but decided that's it's getting worse so time to do something about it.
The pictures I have attached are without fibers and swept back purposely to show extend of thinning. Looks much better normally!!

I have been following this forum for a while but still have loads of questions that I would appreciate if anyone could spare the time to answer.

1) I assume a frontal partial would be my best option?

2) is it possible to leave hair attached for 5/6 days at a time before removal?

3) I can get mild psoriasis on my scalp at times. Will a piece make this much worse?
Are there particular bases that are easier on sensitive scalps?

4) can u recommend a base, based on the above info and the fact that I sweat a lot?

Any help would be greatly appreciated.
Thanks in advance.

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Another photo