For a slideshow of Christina's favorite things, click here.

 

Wills, the newest member of the illustrious team at Gladwyne salon OMG, spent the past six years managing Neiman Marcus’s Yves Saint Laurent cosmetics counter, and recently trained with Fifth Avenue über-derm Debra Jaliman. Here, the aesthetician extraordinaire reveals her surprisingly straightforward must-haves, including, not so surprisingly, a beauty secret or two.