Butenafine hydrochloride is widely used in the treatment of fungal infections, particularly those affecting the skin. It is effective against dermatophytes, which cause conditions like athlete's foot, jock itch, and ringworm. The compound works by inhibiting the synthesis of ergosterol, an essential component of fungal cell membranes, leading to the disruption of the membrane and eventual death of the fungus. Its strong antifungal properties make it a preferred choice for topical applications, often available in creams or gels. Additionally, butenafine hydrochloride is known for its long-lasting effects, requiring fewer applications compared to some other antifungal agents, which enhances patient compliance and treatment outcomes.