Question: what is the best shampoo for dyed black hair?
Answer: Bumble and bumble Color Minded Shampoo., Kérastase Reflection Bain Chromatique Shampoo., Aveda Colour Conserve Shampoo., Joico K-Pak Colour Therapy Shampoo., Paul Mitchell Color Protect Shampoo., Redken Colour Extend Magnetics Shampoo., System Professional Colour Save Shampoo.