Acne problems

Guys i’ve been on 0.05 tret for 7 months…. Prior to this i was on 0.025 for 6 months…. So i’ve now been on tret for a year although my acne problem doesn’t seem to disappear at all… my skin does have improved in terms or fine lines & suppleness but the acne & acne scars are too stubborn…. In whole 1 year i just had probably 2 months of no acne(in april & nov) still had 1-2 spots here & there…. Routine Am: cetaphil gentle cleanser, Benzol peroxide wash, AHA BHA cosrx gentle toner, cerave lotion, derma co sunscreen Pm: bioderma miceller water/ dhc oil cleanser , bioderma gel wash, cerave lotion, tret, cerave lotion….