IsotretinoinAcne VulgarisDermatologic AgentsDrug InteractionsKeratolytic AgentsFoodSebumFacial DermatosesAcitretinRosaceaAbnormalities, Drug-InducedFood SupplySebaceous GlandsFolliculitisAdministration, TopicalHerb-Drug InteractionsAdministration, OralHyperostosisLeukoplakiaRetinoidsCytochrome P-450 CYP3AFood LabelingFood PreferencesFood AnalysisCytochrome P-450 Enzyme SystemPropionibacterium acnesBenzoyl PeroxideLeukoplakia, OralPharmaceutical Preparations