LYCOS RETRIEVER 
Retin-A
built 642 days ago
No studies were conducted comparing the efficacy of Retin-A Micro 0.04% to Retin-A Micro 0.1%. There is no evidence that Retin-A Micro 0.1% is more efficacious than Retin-A Micro 0.04% or that Retin-A Micro 0.04% is safer than Retin-A Micro 0.1%.
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