The ECRINAL Bitter Varnish is totally invisible and prevents nail biting and contouring, due to its extremely bitter taste. This varnish facilitates the renewal of the nail. It can be used in children from 3 years, to help stop sucking on the finger. Bitrex bitten nails Do not use on children under 3 years
Apply to the nails at least twice a week. To remove the bitter varnish, use an alcohol swab.