Mavala Stop Nail Biting & Thumb Sucking Deterrent Nail Treatment, Clear, 0.17 fl oz

A clear, bitter-tasting nail treatment that discourages nail biting and thumb sucking in children aged 3 and up and in adults. Apply alone or over polish without altering its colour. Used consistently, it helps nails regrow healthy and strong as the habit fades. 0.17 fl oz.