I am 26 year old and I lost a significant amount of weight. What is the Best Treatment for Stretch Marks?

I am 26 year old , i lost a significant amount of weight ,but due to which i got enlarged chest and flabby skin around the lower abdomen , and stretch marks too, i recently got done a tummy tuck + gynomastia and i m satisfied with the results , it has just been few days after my surgery i can still see my stretch marks i asked my Plastic surgeon and he said they will fade away and after he will do a pealing session on it , I am now confused weather it works on it or not ,what should i do?

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