Summer Nail Polish Trend: Blue Crush

Summer nail polish is officially having a blue period. But this no down-in-the-dumps kind of color course. From turquoise to cobalt to robin's egg, these blue nail polish shades are mood-lifting and vibrant—and work for both manis and pedis alike. It just depends on how bold you're willing to go!
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Butter London 3 Free Lacquer in Blagger, $14, available at Butter London.
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China Glaze Nail Laquer in Blue Iguana, $6.99, available at Ulta.
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Essie Nail Polish in Smooth Sailing, $8, available at Essie.
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OPI for Sephora in Natural Environ-Mint, $9.50, available at Sephora.
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Topshop Nail Polish in Marine Biologist, $10, available at Topshop.
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YSL La Laque Long Lasting Nail Lacquer in Turquoise Blue, $20, available at YSL.