What's a good stretch mark creme and acne scar cream? Experience only plz no "well I heard" comments thank u?

I kno u can't get rid of stretch marks but can I hav some ideas of how to make it less noticeable and plz from ur experience and how long it took I kno it's dif with ppl but I'd like to hav an idea and also for acne scar (I hav the 2 best skin issues don't I -_-) I hav groups of acne scar that get on my nerves when I take piks with no make up cuz now my skin is getting clear Thrs still dark patches :/ help!! again from ur experience thank u so much :D