Mavala Stop is a specialized nail treatment solution designed to help break nail-biting and finger-sucking habits in both adults and children over 3 years old. The 10ml formula features a bitter taste that discourages these unwanted behaviors while promoting healthier nail care habits. This product is formulated to be safe for use by both adults and children aged 3 years and above. The bitter-tasting solution should be applied to the nails and surrounding skin area where biting/sucking occurs. For best results, reapply as needed, especially after washing hands. As this is a behavior modification product, consistent use is important for effectiveness.