What it is: A long-wearing nail polish free of the eight most toxic ingredients known to cause health problems.What it does: This responsibly made nail polish is available in shades carefully curated to complement every skin tone. Each polish is custom formulated and hand-poured for Base Coat. Please note there may be some variations in color because of this.How to use: Apply on clean, dry nails. For best results, use a base coat prior to polish, then finish with a top coat. Style Name:Base Coat Nail Polish. Style Number: 5673961. Available in stores.