Much like at restaurants and hair salons, the industry standard for tipping at the nail salon ranges around 15 to 20 percent, and it is generally recommended that if you've received extra services or specialty designs, a minimum of 20 percent is appreciated.

The proliferation of Vietnamese nail technicians began in the late 1970s and early 1980s when a wave of Vietnamese immigrants arrived in the United States. Many of these individuals sought employment opportunities, and the nail industry provided a viable option due to its low entry barriers and high demand.

At $25k, the worlds most expensive manicure will shine your nails with real gold and diamonds. Why stop at jewelry when dazzling, diamond studded nails could be your next accessory? A Californian salon called Images Luxury Nail Lounge is cashing in on the nail art craze with some seriously high end manicures.

Dubbed 'the most luxurious nail salon in the world', The Townhouse features private mani-and-pedi booths, ultra high-end interiors, and an eye-catching marble manicure bar—and that's just the aesthetics.