Redken Color Extend Blondage Purple Shampoo

This purple shampoo has ultra violet pigment and Triple Acid Protein complex to tone, strengthen and brighten all in one for a brighter*, stronger** blonde. The ultra violet pigments help to preserve blonde haircolor between appointments by keeping undertones at bay. 
 

If you're blonde, purple shampoo should definitely be a regular part of your haircare routine. Learn more about how and when you should be using purple shampoo.