WHAT IT IS Neutralize brassy orange tones in lightened or highlighted naturally dark brunette hair with Color Balance Blue Shampoo. WHAT IT DOES We decided to leave brassy to the band and give highlighted brunettes the hue they deserve with this perfectly pigmented neutralizing shampoo. Our true-blue formula color-corrects on contact instantly banishing those overly warm orange tones that tend to turn up in dark hair that rsquo s been chemically lightened. Using the system s perfect dose of tone-correcting blue pigments and Joico s color-protecting Multi-Spectrum Defense Complex Color Balance Blue instantly neutralizes your unwanted brassy orange tones while protecting hair color up to 18 washes for 6-8 weeks. Bonus It preserves 89 of your precious hair-color for nearly eight full weeks by bonding to hair fibers like a new best friend. How rsquo s that for investment shopping