• This 7-in-1 Potion Base Coat is your holy grail in nail treatment. It brightens, moisturizes, strengthens, repairs fragile nails, stimulates nail growth, improves nail flexibility, and ridge filling. Apply 2 coats to bare nails as a treatment and reapply daily for 7 days before removal and starting over again. Or apply 1-2 coats as a base coat with your favorite Maniology polish colors.