A protein serum helps to smooth frizz, heal damage, block humidity, keep hair hydrated, and protect against environmental toxins

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The Keratin protein serum helps to smooth away frizz, heal damaged hair, strengthen locks, block humidity, keep coifs hydrated, and protect against environmental toxins.

The team at Nails 111 believes in "good, clean fun," combining a health-conscious philosophy with a charming, shabby-chic ambiance. Antique-style tables and chairs, chandeliers, and lilac walls create an 18th-century-parlor vibe as nail techs wash and sanitize hands and set aside an individual spa kit for each guest. They wear latex gloves upon request and eschew spa chairs and whirlpool-type footbaths in favor of disposable pedicure tub liners. The crew decorates nails with Essie, OPI, or Shellac polish and also performs sleek blowouts and straightening treatments at the Blow and Go hair bar.

The salon was created by internationally trained beauty expert and Lima, Peru, native Marizza Contreras and Miami native Jonathan Nussbaum, who was inspired by a girlfriend's frustration the lack of nail salons open after 7 p.m. Nails 111 staffers refine digits until 9 p.m. Monday–Saturday, making late-night manicures possible for owls wishing to impress their prey.

Some hair-straightening products that claim to be formaldehyde-free include aldehyde compounds, which are similar to the carcinogen formaldehyde. Side effects may include nosebleeds, headaches, vomiting, and respiratory problems, among others. Learn more about the health risks here.