What Cream Can Help Treat Dry, Scarred Glans Penis Skin And Improve Skin Health, Considering I Recently Used Isotretinoin And Have Weak Erections?

I m having dry glans penis skin.. And had some blister between glans penis and foreskin.. I don t have pain..last time i had unprotected sex with my girlfriend in November..till then everything was fine..after that ..i was on isotretinoin for 3 month s for acne training.. I m 24 yrs old and now I m having weak erection Suggest me any creamwhich will make me glans penis skin again healthier and without these scars and will remove the dryness