Matrix Biolage Color Last Shampoo 400ml *NEW*The Matrix Biolage Color Last Shampoo is specially formulated for color treated hair, helping to maintain salon fresh vibrancy and shine for up to 4 weeks*. With its low pH formula, this gentle cleanser protects your hair from color fade while nourishing every strand. Infused with soybean oil and stearic acid, it strengthens, hydrates, and shields hair from environmental stressors that can dull your color. Experience hair that feels smooth, radiant,