How does Oveallgo 7 Days Maximum Strength Nail Repair Serum Works? The serum contains key ingredients such asmaltosyl glucoside, hydroxyethyl cellulose, allantoin, carbomer and glycerin, which work together tonourish and protect the nailwhile alsofighting against fungal infections.With regular use, the serum can improve the appearance and health of the nails,leaving them strongerandmore resilient to future fungal infections. Specification Package Includes: