How Do You Properly Use Tazorac gel?

Started tazorac and minocycline a few days ago,already some redness and peeling,i have heard different ways to apply 1) mix taz an lotion then apply 2)every 3 days then every 2 days 3)wash face then lotion then taz for 15 mins then wash off 4) wash face,lotion then taz all night which is the best way?will it help with red/brown scars also will it help with indented scars,will it make pores bigger or smaller,will it help with bad skin texture also should i apply to my whole face or just acne areas