our new ceramide-infused formula fills uneven surfaces on the nail to provide a sleek finish. instantly primes nails for a smooth and even surface for color adhesion. provides a barrier to help prevent nail staining. the result: even and smoothed out ridges for a perfectly beautiful manicure. the result- even and smoothed out ridges for a perfect manicure our champion of ridge filling our formula, infused with ceramide, instantly smooths ridges and masks imperfections provides a barrier to help prevent nail staining from USA's nail salon expert, the art of the manicure, perfected