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All Function of Beauty products are formulated without sulfates, parabens, phthalates, or gluten, and are always certified vegan and cruelty-free.
Wet hair and apply to brassy areas for 2-3 minutes or longer if you are experiencing significant brassiness. Rinse thoroughly, and follow with your Function of Beauty conditioner.
Purple shampoo is specially formulated for those with blonde, gray, highlighted, bleached, or balayage hair colors.