Dermatophytes cause a wide range of superficial infections of the skin, hair and nails, with high global prevalence and considerable public health relevance. Treatment regimens for dermatophytosis are limited to few antifungal drug classes, and rising resistance—particularly to terbinafine—further compromises therapeutic efficacy. Topical antiseptics such as octenidine (OCT) may represent a promising option for infection contr...