Bulk-buy your favourites with the Tresemme Biotin Repair 7 Shampoo or Conditioner Formulated with biotin and pro-bond complex to help restore hair damage Penetrates deep into the hair to mend broken bonds Can visibly repair 7 types of hair damage after just one use. Use both shampoo and conditioner in your daily routine for best results Choose from shampoo or conditioner Available in bulk-buy quantities: 2.4L or 4.2L Buying Options: 14.99 pounds instead of 29.99 pounds for 2.4L (6 x 400ml Bottles) Shampoo or Conditioner - save 50% 19.99 pounds instead of 39.99 pounds for 4.2L (6 x 700ml Bottles) Shampoo or Conditioner - save 50%