stretchmarks.......

ya i have those ugly stretch marks over my butt , i cant wear bikini as i am brown color and those marks look like white lines around , makes me feel so embarrass, they are just teenage stretch marks, and i only have it on my sides of butt.......is there any solution to get rid of them ..........one of my dermatologist friend have told me that the truth is you cant get rid of them unless u perform cosmetic surgery , but those product in market will just help you to diminish them slightly over the long term use, is it true???? do any of u had those marks and did they gone by using some stretchmark remover cream