All Nail Envy nail color + strength prodcuts are softly tinted shades and can be used as a stand-alone treatment or as a base coat alternative underneath your favorite OPI Nail Lacquer. - If wearing Nail Envy alone without nail color on top - apply two coats to clean, dry nails with cuticles pushed back. - Followed by one coat every other day. - After one week, use any OPI Polish Remover to remove all Nail Envy and Nail Lacquer, if present. -- Repeat the application process again.