The question is, should you choose purple orblue shampoofor your hair key in?
That being said, purple and blue shampoos are designed for verydifferent hair types.
Your gorgeous hair color will be neutralized with each wash, with no risk of veering into orange.
Blue shampoo works similarly, but on the opposite side of the color wheel.
AsRedkenexplains, blue shampoo works for brunettes who want to neutralize red or orange tones in their hair.
