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Unicorns are mythical beasts whose bodies, according to authors like J.K. Rowling, possess magical properties.

But have you ever thought about what one actually tastes like?

Last week, Polar Seltzer debuted Unicorn Kisses—a whimsical, sparkling water with a flavor that’s almost as elusive as the magical beast.

“It tastes fruity, like watermelon,” said one Chew on This taster.

“It tastes like clouds,” said another.

“It has kindof a vanilla extract flavor.”

“It’s like a nice version of the stuff they give you at the dentist once you wash your mouth out.”

So the flavor may be a little hard to pin down. Officially Polar says it has natural flavors of lemon and lime with a “sprinkle of magic.” Plus, the bottle proudly announces that “No unicorns were harmed in the making of this seltzer.” And like other seltzer's in Polar's lineup, it's free of calories and carbs.

The seltzer water isn’t sweet but it smells like bubblegum, Jolly Ranchers and Sweet Tarts. Fans of Polar Seltzer’s fruity flavors will probably start craving Unicorn Kisses. But if you’re not a fan of seltzer, this may not be for you.

“It tastes like sea water,” said a young taster.

"It's basically cough medicine," said another taster. "But I do feel better after drinking it!"

Many tasters agreed that the mysterious, hard-to-identify fruitiness could very well be the authentic essence of a unicorn.

Since Polar Seltzer started selling Unicorn Kisses on April 1, many assumed the beverage was a hoax. But we can assure you it’s real.

Polar released just 5,000 cases of the new flavor and it will only be available in the Northeast for a limited time. But some stores have already sold out.

If you want to know what a Unicorn Kiss tastes like, bottles popping up on eBay are going for anywhere between $14 and $119.