Webto set up your password, enter your email address on the sign in page and follow the instructions to register for a beauty insider account. If you are having difficulties, please. Webcontact sephora customer service for assistance with orders, product information, store locations and more. Webaug 26, 2014 · if you have never received a beauty insider card from a sephora retail store, then you don't have a beauty insider number. The number is located on your. Webfind answers to all your questions about your sephora account here! Get help…