Package Changes! A variety of diseases can affect the appearance of nails, including fungal infection. This guidance is intended to provide an alternative approach for treating onychomycosis and other nail diseases including Nail Lichen Planus and Nail Psoriasis. Myco Onyx solution reactivates and improves the cells defense mechanisms. The said solution is based on the free radical scavenging activity of the polyphenols contained in the Myco Onyx nail solution.