Hard as Nails, match your manicure to your mood! Fun, trendy shades - collect them all and change your nail polish, as often as you like! Easy grip, easy glide brush designed for complete control. No DBP, Toluene or Free Formaldehyde. For best results, use your favorite Sally Hansen base coat on clean dry nails. Shake gently. Apply 2-3 coats, letting each coat dry before applying the next one. Finish with your favorite Sally Hansen top coat for maximum shine, and to make manicures last.