COS, The Original Color Out System, is an innovative technology that gently and effectively removes unwanted hair color without damaging the hair. The COS formula works by shrinking the dye molecules, making them easy to wash out, all while keeping the hair in optimal condition. It works with any color level and is free from bleach and ammonia, ensuring the health of the hair is preserved.
In just 20 minutes, COS safely removes oxidative permanent, semi-permanent, and demi-permanent hair colors. Its gentle formulation allows the hair to be recolored immediately after the process, making it ideal for color correction services. Whether removing color completely or adjusting an off-tone shade, COS delivers reliable results.
Key Benefits:

• Removes oxidative permanent, semi, and demi-permanent hair color
• Works in just 20 minutes
• Ammonia and bleach-free, safe for immediate recoloring
• Keeps hair healthy and vibrant
  Application: Mix equal parts of COS Part 1 and Part 2 for 30 seconds in an applicator bottle or bowl. Apply to dry hair, process for 20 minutes, rinse thoroughly for 10 minutes, and shampoo 3-4 times. Perform a 10V Reduction Test to ensure all pigment is removed, condition, and rinse