Is it necessary to use cleaner toner serum moisturiser sun screen if yes please suggest for oily skin past from 2 month i am facing this issues first was too pimple so i used salicylic acid after they gone but I received scars but now too worst. Last month i started salicylic acid face wash and azelic acid gel cream at night but i ended this cream azelic acid and started to used the derma co kojic acid 2%. Also last month i did not recieved the this months period also i am doing night shift from may month so i am getting inly 5 hr sleep plz help me here what to do i am losing my confidence also i have pimple scars on my forehead and lower chin as well as on nose.