TTO Thermal Gold Nail Solution with a high level of organic tea tree oil is the most effective for nail fungal infection (Onychomycosis). Tea tree oil has antifungal and antiseptic properties and is an effective treatment for nail fungus.The product highly recommended with the combined treatment of nail fungal infection by dermatologist.Aluminium Chloride, a drying agent, inhibts overgrowth of opportunistic bacteria in nail.