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On the question of raw, proven efficacy for photoaging, the honest answer is that tretinoin has the stronger evidence base but the picture is more nuanced than a simple winner-takes-all verdict
Both bypass the gut, so both produce strong serum levels
We are a trusted medical spa in Hastings, NE, and each visit is tailored to support your goals
The main challenge is potential irritation at very high concentrations (above 20%), but formulations between 10-20% are generally safe and effective
US$ 20.19
US$ 27.36
US$ 29.09
US$ 20.17
