Here is a selection of the best beauty promotions and special offers on the social media site on June 29.

Benefit Cosmetics: "[...] enter the beauty on the fly sweepstakes for your chance to win roundtrip airfare for two on Southwest Airlines AND $300 worth of Benefit Cosmetics!"

Perricone MD: "Have you tried Cold Plasma Body? Write a review on our website and tell us what you think! Two lucky winners will be randomly chosen to win full-sized bottles of Cold Plasma Body."

Yu-Be: "Yu-Be's fan of the day! Make Monday a little more fun by sending in your own picture with Yu-Be so you, too, can get free Moisturizing Skin Cream!"

Flirt!: "It's not too late for your chance at $1000 worth the prizes from FLIRT! Cosmetics and YMI Jeans . Click on our "Summer Flirt" tab to win a whole new summer look!"

Frederic Fekkai: "Enjoy our award-winning Brilliant Glossing Cream on us! We're giving away 100 COMPLIMENTARY* full size (4oz) Brilliant Glossing Creams. The promotion for this complimentary Brilliant Glossing Cream with FREE SHIPPING will be posted to this event page on Wednesday 6/30/2010 at Noon EST."

Pangea Organics: "25% Off Body Washes & Body Lotions thru the end of June!"