Retin-A made wrinkles worse? I'm only 21.

Since the summer, I noticed one slightly deep wrinkle underneath my right eye. I thought I would try a tiny bit of the leftover Retin-A (which I was prescribed for a facial scar) as treatment for the wrinkle but now I have more wrinkles that are deeper than before. The dermatologist said the only treatment that would work is laser treatment, but I cannot afford that, nor do I trust it, as I've heard many stories that lead me to feel such a way. Please help, I'm starting to look 60 at 21.

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