What it is: A fortifying foundation for healthier, stronger-looking nails. What it does: The dual-action formula combines the best of botanicals and science to create the ultimate base coat for weak, brittle nails. Designed to condition, shield and provide a durable surface for optimal polish wear, this base coat goes beyond just being a primer: it cares for nails below the surface, too. How to use: Start with clean nails. Apply one thin, even coat to bare nails. Follow with 1 to 2 coats of polish and any top coat as a final touch. 0.4 oz. Formaldehyde-free; toulene-free; DBP-free; camphor-free; acetone-free; gluten-free Cruelty-free Vegan Made in the USA