Question: what is the best shampoo red hair?
Answer: Nexxus Colour Assure Shampoo. Sulphate-Free. ... 
TRESemmé Colour Revitalise Vibrance Protection Shampoo. TRESemmé Colour Revitalise Shampoo. ... 
TIGI Bed Head Colour Goddess Oil Infused Shampoo. ... 
Dove Colour Care Shampoo. ... 
TIGI S Factor True Lasting Colour Shampoo.