Armani for UNICEF; Sephora for iPad; Olympic Nail Polish

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FRAGRANCE—Giorgio Armani Fragrances is partnering with the UNICEF Tap Project through its Acqua for Life campaign, which aims to provide children around the world with access to clean water. Here's how you can get involved: Buy their fragrance Acqua di Gioia in a rollerball, and the profits will go toward Acqua for Life. Also, the company will donate $1 for the first 100,000 people who "like" the Acqua for Life page on Facebook. Added bonus: certified hottie Lenny "Cinna" Kravitz has lent his name—and his guyliner—to the cause. [Racked Inbox]

MAKEUP—Not only is Sephora rolling out major changes to their website, but they're also upping their tech quotient in stores. The chain has announced that they'll have iPads in certain locations for customers to use. On the iPad, you can search for certain products that work for your skin type, see customer reviews, and review your search history to see what you bought in the past (perfect for solving that "No, it was that mascara with that thing on it that makes it do that thing! What was it called again?" dilemma). As for Android users? Better luck next time. [VentureBeat]

NAILS—British nail polish brand Nails Inc, known for its UK-inspired color names like Portobello and Kensington, is launching a limited-edition polish in honor of the London Olympics. The red, blue, and silver sparkly polish is supposed to emulate the Union Jack flag, but would totally work for a Fourth of July party on the other side of the pond too. [BBB]