Color Depositing Purple Shampoo: A professional salon shampoo for ... brassiness and leave hair color cool and bright Suggested Use: Use 2-3 times a week. Apply and leave on for 3-5 minutes.
I use it after my regular shampoo in place of conditioner ... a big tub (which can be a bit messy!). Redken is a brand that knows colour and its entire purple range is one that I have used ...