Matrix value pack containing two essentials from the Biolage ColorLast range. ColorLast shampoo and conditioner from Biolage are essential for preserving the health of colored hair and treating hair damage. This product preserves salon-vibrant color for up to 9 weeks. Features Low pH shampoo and conditioner for colour-treated hair. Protects hair from environmental damage and strengthens hair while hydrating. Nourish and protect colour-treated hair. Adds shine and prolongs colour vibrancy. Smoothens and detangles hair to maintain depth, tone, and shine. Pack Includes 1 x Biolage ColorLast Shampoo (1 Litre) 1 x Biolage ColorLast Conditioner (1 Litre) FAQs How long will my color last between appointments?This product preserves salon-vibrant color for up to 9 weeks*. *When using the professional products system of ColorLast shampoo and conditioner vs. a non-conditioning shampoo.Is this product paraben-free?Yes, it is paraben-free.Can it be used on bleached hair?Yes, it can be used on pre-lightened hair.Is this shampoo drying?No, this nourishing shampoo protects hair from environmental damage and strengthens hair while hydrating.Is this product vegan?Yes, it is vegan.