Application of Nail Polish During Topical Management of Onychomycosis: Are Data Available to Guide the Clinician About What to Tell Their Patients?
Topical antifungal management of toenail onychomycosis has been fraught with several therapeutic challenges including difficulty gaining access to the site of infection and the need for prolonged durations of therapy. In addition, there has been a marked lack of information on the impact of toenail polish application on drug penetration after application. This article reviews available data from studies evaluating the effect of nail polish on antifungal drag penetration using ex vivo laboratory models with cadaver fingernail plates with both tavaborole 5% solution and efinaconazole 10% solution. In addition, changes in nail polish appearance and color transfer to applicators are also discussed, with changes noted with topical efinaconazole. Importantly, there are no data on whether or not nail polish application alters the efficacy of these topical agents.
Adjunct Clinical Professor (Dermatology), Touro University Nevada, Henderson, Nevada; Research Director, Del Rosso Dermatology Research, Las Vegas, Nevada; Private Practice, Lakes Dermatology, Las Vegas, Nevada.
James Q
JQ
Del Rosso
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