KMS AddVolume Shampoo 750ml Double KMS AddVolume Shampoo 750ml Double Buy Online | Fast Shipping | Free Delivery over £25 | Free Returns | Not on Amazon KMS AddVolume Shampoo 750ml Double Stock up and save with a double pack supersize of your favourite shampoo! KMS AddVolume Shampoo will provide up to 70% more volume, actively plumping each hair strand for all-over body and fullness. Hair will be strengthened and fine, limp hair will be plumped and lifted. Formulated with the new TRIfinity Technology to help your hairstyle stay just the way you want it! | Buy Online | Fast Shipping | Free Delivery over £25 | Free Returns | Not on Amazon