I asked my dermatoligist point blank about it and her response was "no, not unless you have a bunch of money to waste" the problem is that stretch marks are the loss of colagen in the skin. Just about nothing can replace that.
IF this company is having issues they should be tracking him down since it's been a while since he's even heard a word from them? This whole business can be risky and as a business you should know that, the company should make sure to air it out publically on the forum if they are having issues...