Exciting breakthrough formula! Medically tested and awarded a world patent. Uses 2 different keratin strengthening aldehydes to bind the nail’s protein molecules for the development of healthier, stronger more flexible nails! Synergistically works with nail moisture developed by using the 3-Way Buffer and/or Nail & Cuticle Moisturizer. Perfect for sensitive nails. Formaldehyde FREE. Develop healthier, stronger more flexible nails in as little as 4 weeks. A true keratin treatment! Dries to a high gloss finish.