Joico Color Balance Blue Shampoo and Conditioner, 10 oz.

The shampoo’s true-blue formula color-corrects on contact, instantly banishing those overly warm, orange tones that tend turn up in graduated dark hair that’s been chemically lightened. Bonus: it preserves 89 percent of your precious hair-color for nearly eight full weeks by bonding to hair fibers the color-correcting conditioner instantly manages to neutralize nasty brassy tones, and preserves 89 percent of hair color for up to eight full weeks.

• The shampoo and conditioner true-blue formula color-corrects on contact, instantly banishing those overly warm, orange tones that tend turn up in graduated dark hair that’s been chemically lightened.