New Gallon Duo /set Matrix Biolage Color Last Shampoo And Conditioner! Shampoo: Helps preserve salon-vibrant color for up to 9 weeks. When using the professional products system of ColorLast shampoo and conditioner vs. Sealed and packaged with great care! I have many other brands and products not listed- if there’s something you’re looking for feel free to see if I have it and will give you the best deal I can!