Mavala Stop is an effective solution designed to discourage nail biting and thumb sucking in both children and adults. Its unique, bitter formula is safe and invisible once applied. Applied like a regular nail polish, it creates a protective barrier that makes biting or sucking nails an unpleasant experience, helping to break the habit. Perfect for use at home or on the go, Mavala Stop is a simple yet powerful tool for maintaining healthier nails and cuticles.