I applied online. The process took 4 weeks. I interviewed at L'Oréal (London, England) in Sept 2018
Interview
online application
assessment center - 2 tests involved - maths and attention to detail tests, group activity, pre prepared presentation based on one of their 34 brands- if you pass the morning you get an interview, if not you get sent home.
Also get to have lunch with current interns - can ask them any questions you may have
Interview questions [1]
Question 1
tell us about a recent loreal campaign you liked and why