A permanent liquid color available in 64 shades, ideal for quick application and coloring in between foils. Use for deep conditioning gray coverage, with 84% more conditioning than the leading professional cream. For even more conditioning, mix with Clairol Professional Color Serum.For excellent gray coverage on resistant gray hair use the Gray Busters NN Series, available in 6 rich shades. Use with Clairol Professional Pure White or Clairoxide developers for best results.