How to pronounce: Care-ah-stahss
Claim to fame: This luxurious line is beloved by stylists and customers alike for its hard-working formulas, and it's a staple backstage at Fashion Weeks. The Elixir Ultime Oleo-complex Versatile Beautifying Oil ($49) comes in beyond-sexy packageing, and makes split-ends virtually disappear.
Image Source: Unsplash / Jake Peterson