Product knowledge!! soooooo much stuff to learn, can be quite daunting when you first start. Also Lush are massive on mystery shoppers, i think you have one a month. easy to tell who they are though when they start asking what makes the bath bombs fizz and where we source ingredients from. Hard work!! mentally tiring always have to be upbeat with customers. Not enough pay for the amount of knowledge you have to remember. expected to demo all the time and push for add on sales. they encourage you to pounce on customers, can be quite off putting. Cleaning! I think I cleaned more in the shop than I did my own home.