Firstly if you're having trouble with humidity try orchid bark, mulch etc.. For the substrate
Also why not try a hide box made especially for high humidity if you are struggling to keep the humidity up? Get some moss and put it inside the hide box and the BP can use it when it needs it.
Having one bad shed won't do anything mentally to the BP I wouldn't think, just check the eyes and the tail to make sure there is no stuck shed, these are the two places that could cause problems if they have stuck shed.
Your BP will need all round good husbandry temps, humidity etcc.. For a perfect shed so try and get everything sorted now.
If there is still stuck shed then get a warm damp towel and let your BP slide through it and apply
gentle minimum pressure, keep doing this and hopefully you will get all the shed off.
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