Deficient nails require a supply of nutritive and tonic elements. Onykoleine contains N.A.D. (Natural Activator of Danders) that stimulates the production of keratin, associated with a complex of essential oil of tea tree and lipesters (patented agent) that create an environment unfavorable to the development of fungi.<br /><br />Can be used associated to anti-fungal treatment to optimize its effects, or in prevention of fungal nail.