Intensifier/Corrector: IN/CCV Concentrated oxidizing pigments that help intensify or correct tonal value. Mix up tp 25% Intensifier to VeroColor formula. Intensifiers and Color Correctors are not on the level system. Vero K-PAK Color is a unique and easy to use permanent crème hair color. All intermixable shades allow you to maximize your creativity and imagination while guaranteeing long lasting- beautiful- super shiny color end results on reconstructed- conditioned and healthy hair. Vero K-PAK Color has to be used with Vero K-PAK Color Veroxide Gentle Crème Developer or Vero K-PAK Color VeroGlaze No-Lift Crème Developer. For the first time ever- reconstruct while you color with Vero K-PAK Color- a breakthrough professional coloring system from Joico- the Experts in Healthy hair. Benefits: Reconstructs while you color with Quadramine Complex. Six true tonal series to unleash your artistic potential. Delivers the ultimate in healthy- luminous- long-lasting color.