Sally Hansen’s Hard as Nails Vitamin Strength Serum is crafted to enhance nail strength and health with a potent blend of Hydrolyzed Proteins and essential Vitamins A, C, and E. The inclusion of pink microcapsules ensures these beneficial ingredients reach deep into the nail structure.Its lightweight, fast-absorbing formula provides lasting protection without any sticky residue. This serum leaves nails stronger and cuticles smooth, promoting an overall healthier appearance.