The Secret to strong, healthy looking natural nails. Make you natural nails, stronger and longer while preventing annoying chipping and peeling with QTICA Natural Nail Growth Stimulator. Sulfur amino acids and hydrolyzed proteins strengthen the nail by bonding and locking keratin together and creating an extra layer of nail to prevent peeling and protect new nail growth. Maintain moisture and flexibility of the natural nail with vitamins A, C and E to keep it flexible and prevent cracking. See up to 1/4 inch of nail growth in as little as 14 days.