It has silk lipesters, an exclusive active that provides the nail with the aminoacids vital to its growth. It has organic silicium/silica, zinc, methionine and provitamin B5 that stimulates nail growth. Does not contain formaldehyde or toluene.
Vitamin hardener for weak and brittle nails.
Apply on the clean nail (without varnish) at least three times/week for 2 to 4 consecutive months. In cases of very fragile nails, you can then apply a layer of hardener shiny varnish ecrinal that will protect the nail until it regains its vigor.