Thanks for sending your query to us.
is an effective drug for acne but has common side effects like making skin dry and sensitive to sun. To treat the same
Use a sunscreen with good SPF like sun cross aqua gel( as you have an acne prone skin make it a point to use water based or gel based sunscreen)
Use a mild moisturiser to keep skin well hydrated
Take vitamin c
You may apply Kojic acid
and vitamin c based cream or glycolic acid
cream to lighten skin tone. However if you develop any kind of redness
or irritation with these creams withhold use immediately.
With isotretinoin use peels are usually not recommended so avoid taking peeling sessions.
Hope that helps. Take care.