We offer a variety of in-salon conditioning treatments to solve any kind of hair issue you may be having. let us customize a treatment to improve the long-term health of your hair.

This winter, we are highlighting Oribe’s Serene Scalp line. Check out the products below and enjoy 10% off of any Serene Scalp product for January and February 2020!

Sine Qua Non Salon was just voted one of the best salons in Chicago for the Chicago Reader Best of! Thanks to our clients for making Sine your destination for on-trend hair styles, women’s haircuts, men’s haircuts and barbering, highlighting, hair color, blowouts, and the latest color techniques including balayage and creative hair painting. D […]

Sagittarius season is upon us! Happy birthday to these bold and positive natural-born leaders.

Check out this fantastic interview with Sine’s owner Laura B in the latest issue of Salon Today! Find out more about her rock star roots, mentors and leadership style. Thanks Salon Today for this amazing feature on our fearless leader!

Sine Qua Non Founder Laura’s management style and business acumen are featured in Salon Today! Check out her interview to discover the story behind Sine Qua Non, her relationship with Rosy Salon Software, and the many keys to our salons’ success.

Sine’s Owner Laura Boton was featured in a full-sized ad in July’s issue of Salon Today. Check it out here!  

Here at Sine Qua Non, babies come in threes. Congratulations to our new group of Sine moms-to-be: Stylist Lauren, Stylist Jessi, and Operations Director Regan. We can’t wait to meet your Siné-bies!

“When Ashley first came in she had some outgrowth, as well as some fashion color left from the previous time we did her hair. I went through and touched up her roots and pulled some lightener through to remove some of the previous color. There was some purple left in it and I wanted a fresh […]