Innovative color-toning formula with naturally intense purple-red pigments deliver the most natural-looking and long lasting color-correction for brilliantly blonde hair. What it does: Blueberries, Purple Sweet Potatoes and Purple Carrots, packed with magnified amounts of beta-carotene, lycopene and lutein -- much higher than their pale counterparts -- are uniquely chosen to deliver both color-corrective benefits and rich nutritional supplementation. Mega doses of beta-carotene supports fiber strength and collagen integrity that keeps hair supple and resistant to breakage, especially important for color-treated hair.