Kerafen is a topical oil designed specifically for combating onychomycosis, the medical term for toenail fungus that causes yellowing, thickening, and brittleness. Unlike oral medications that carry liver risks, it uses plant-based antifungals like tea tree oil, undecylenic acid, and manuka oil applied directly to the nail bed.
Users apply it twice daily after cleaning and drying the affected area, allowing penetration through the nail to target fungal spores at their source. The formula also includes soothing agents like aloe vera and vitamin E to repair surrounding skin and prevent cracking.
