Suitable for fine, limp lengths, the Biolage Volume Boost Shampoo and Conditioner Duo gives hair a balancing boost of hydration to promote a fuller, more lifted look. Set Contents: Volume Boost Shampoo 400ml Infused with micro-filtered soy protein and polymers, this shampoo is specially designed to promote volume without compromising on softness. The lightweight blend weightlessly hydrates as it cleanses, encouraging enhanced shine and smoothness. Volume Boost Conditioner 400ml A softening conditioner that encourages a fuller look thanks the same volume-boosting actives found in the shampoo.