Micro Cell nail care Nail Wonder the magical varnish for all occasions. It refreshes old coloured varnish. Your varnished nails dry at once. Lengthens the life of freshly applied nail varnish. It is the optimal ridge filler for unevenness. Can also be used as a clear varnish to show off a naturally brilliant shine. It can also be used as a base coat, stopping damage from discolouration of the nail. Nail Wonder is true to its name and is an absolute must for optimal nail care.