First n foremost kindly visit a qualified skin specialist dr only with with MD DVD DDVL DNB degree if not so then stop all treatment.
A detailed clinical examination along with signs n symptoms helps in diagnosis.
If not a skin biopsy rules out all possible causes.
Next Steps
visit a qualified skin specialist dr if already done keep a regular follow up to one Dr only.
Health Tips
avoid using Propysalic without dr adv
use moisturizer more harm
or consult me online with complete details.