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Contributor
Posts: 38
Registered: ‎03-18-2010

What percentage of retin A is the best to start out with. I'm 60 with fine lines on upper cheek/eye area and forehead, with somewhat slightly deeper lines around mouth area. I do have Philosophy "help me", but see no difference at all, even with having used for over a month. Have sensitive skin. Have read some posts about Isomers, but have no idea of where to purchase it. Only stores in area are Walmart and Walgreens....Is tretinoin 0.025% retin A?...Thank you ahead for your response.....

MidnightShadow