[Anti-Aging] does anyone have any information about how Retin-A improves skin after years/decades of use?

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I'm in my 20s and using retin-a preventatively (I definitely look my age, but I don't have any specific wrinkles or skin aging yet). I'm wondering if anyone had any info or examples of people who used retin-a for decades/years and actually saw anti-aging benefits (especially people who started it before the signs of aging showed up). Dermatologists keep telling me retin-a works very well for this, but I want to know what I can actually expect!
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Submitted by canistillweardresses