Aaron De Mey Responsible for Givenchy’s Rhinestone Faces; Botox May Help Acne

Backstage at Givenchy.

• A new study in the Journal of Drugs in Dermatology claims that Botox can be used as acne prevention because it decreases oil production. But some dermatologists disagree, saying that if you Botoxed your cheeks (prime acne spots), it "would look like you had a stroke." [Allure/Daily Beauty Reporter]

• Makeup artist Aaron De Mey and his team placed rhinestones one by one on the Givenchy model's faces yesterday. Luigi Murenu did the hair. [Style.com/Beauty Counter]

Karl Lagerfeld used hairpieces that stretched down the backs of models at the Chanel couture show yesterday. [Sugarshock Beauty]

• Here is a video of Demi Moore's photo shoot for the Helena Rubenstein Wanted fragrance campaign. Rachel Zoe makes a cameo. [Now Smell This]

• Rescue Beauty Lounge is launching a new purple nail color, named Mismas, which was inspired by a blogger. [All Lacquered Up]