Will my skin ever fully heal? My concern is the quality of my skin and texture of my skin. (photos)

Is there anything to smoothen it? Just turned 21 & about 2 yrs ago, I started to get mild acne, which built up to moderate acne last yr. I've been on Duac (benzoyl peroxide + antibiotic) during the 1st yr to no avail, then took a break & was prescribed epiduo and tetracycline for about 5 months since last Jan - again, no difference. My GP then referred me to a dermatologist and I am now to be prescribed oral isotretinoin in December. I have started retinA 0.1 in the mean time till I get isotretinoin but v concerned about my skin

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