Essie's All-In-One is a versatile base coat, top coat, and strengthener designed to simplify your manicure routine. Infused with nourishing argan oil, this formula primes nails for color application, provides a protective, high-gloss shield as a top coat, and helps fortify nails against weakness. It creates a smooth, durable finish that extends the life of your polish while leaving nails feeling stronger. This vegan formula is made without formaldehyde, offering a complete care solution in a single bottle.