In recent weeks we've been conducting a range of tests to find out what consumers think about sachets and how using them compares to using the small plastic bottles we plan to use as part of our refill solution.

It's not even close. We were anticipating some reluctance in moving from familiar habits, but it seems using a bottle is simply a way superior experience. And for many consumers it’s a novel one too, since purchasing a shampoo in bottles is too expensive - for many people in the survey it was the first time they'd used shampoo this way.

We captured consumer attitude across a whole range of measures but this simple chart summarises the big picture…