Make strong and healthy nails a reality with Nutra Nail 5 to 7 Day Growth and Hardener! This fast acting nail care product and powerful nail restoration system that works to heal weak, thin, and damaged finger and toe nails in as little as 5 days! This lacquer application quickly fixes brittle nails that are prone to ripping, peeling, cracking, or splitting. With powerful natural ingredients such as Keratin Amino Acids, Collagen, Milk Protein, Soy Protein, Calcium, Corn Oil, & Aloe Barbadensis Leaf Juice, Nutra Nail 5 to 7 Day Growth is your one stop shop for radiant, tough, and healthy nails. Our unique water-based formula penetrates and locks in key nutrient while fending off dryness. Our clear nail treatment serum is our best-kept secret for strong nails that works with or without colored polish, or top coat, and can be applied as a base coat. Unlike other nail regrowth and hardening treatments, Nutra Nail is easy to use, convenient, fast acting, and effective. Within just 7 days, you will see your cracked and damaged nails, toughen and heal, and gain noticeable regrowth. Trusted by millions, Nutra Nail guarantees that you will experience longer, stronger, and more beautiful nails in 5 to 7 days. DIRECTIONS: Apply over clean nail bed, cuticle and under nail tip. Massage until completely absorbed. Apply twice daily for quick results. Use with or without nail color. 0.47 oz bottle.