THE DILEMMA Brassiness
WHAT IT DOES This cleansing duo will add luminosity to dull, color-fading blonde shades.
WHY PROS LOVE IT "The blue and violet in the shampoo sits opposite the yellow/orange on the color wheel," Kyle White, the lead colorist at Oscar Blandi Salon tells InStyle.com. "So it will neutralize those unwanted tones in your hair."
$8.50/each; sallybeauty.comRead MoreLess