Strivectin good or bad?

Has any one ever heard of strivectin? I have not until now. Some strivectin reviews say that it was initially designed to be a stretch mark cream, but it is said to be used as an anti-wrinkle cream. The review says that it helps the skin to make collagen and elastin but can a side effect is that it can make the skin sensitive to the sun which breaks down collagen and elastin. So I guess a sunscreen might be used to help solve this problem.