Dennis Bernard

Dennis Bernard COS Color Out System

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Color Out System (COS) is the safest and most effective way to remove undesirable hair color. In just 20 minutes, COS corrects and removes the color by shrinking the dye molecules, allowing it to be simply washed out of the hair. Levels are of no concern as COS’s unique bleach and ammonia free formula removes all artificial pigments from the hair keeping the hair in great shape. COS is so gentle that the hair can be recolored right after the COS service.

  • Gently removes oxidative permanent, semi & demi permanent hair color
  • Takes only 20 minutes
  • Ammonia & bleach free
  • Safe & easy
  • Recolor the same day

Color Out System

Available Size: Prepackaged individual system. Consists of 2 bottles good for 2-4 applications depending on hair length.

POWERTOOLS Color Out System (COS) is a new technology that is the safest and most effective way to remove an undesirable hair color. Unlike Other color removers, COS has a pleasant fragrance. In just 20 minutes COS corrects and removes the color by shrinking the dye molecules allowing them to be simply washed out of the hair. Levels are not a concern as COS's unique bleach and ammonia free formula removes all of the artificial pigment from the hair while keeping the hair in great shape. Stylists and their clients Will not experience the damaging effects that bleach and ammonia based products cause. COS is so gentle that the hair can be recolored right after the COS service.

PROFITABLE TIP: When corrective color services are done correctly, they lock the client in for life! COS removes color completely, giving you a great conditioned canvas to showcase your creativity on!



  • When hair color is applied small clear dye molocules penetrate the hair shaft

  • The oxidation process develops the molecules into large colorful pigments

  • When COS is applied the molecules shrink and become transparent again, your eye perceives total color removal, however, if a significant amount of dye molecules are left in the hair they can reoxidize when the new color is applied and darken


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