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No, you can dive right in with a 1% concentration for topical serums
Prescribers should also consider whether the benefits of concurrent use outweigh the risks, and whether alternative treatment strategies might be more appropriate for the individual patient
Brennan BP, Jensen JE, Hudson JI, et al
[3] Liposomal and sublingual forms are marketed as higher-bioavailability alternatives, though head-to-head data against standard oral tablets remain limited