By previous experience and ability
Apply online, and you sill get an email asking you to go to one of their job fairs. They want to see what your strengths are in the factory. They will email you back within a day with the department and shift you will be working in if they hire you.
You have to go to one of their hiring nights and go through 3 group based activities where they test your skills and how you work under pressure and alongside other people.
Interview both in groups then individiually
Apply online or drop your resume off in store. If you have a warm personality and have some knowledge of the products or the brand values, then you'll do great.
To be hired and work for lush, i think the the individual needs to be confident and able to socialize well with others because the job involves being able to communicate clearly with all workers on the floor.