March 27, 2020

Update from your Friendly Neighborhood Hair Family

Sine Qua Non is proactive 😎 Due to the rapidly changing Covid-19 situation, we’ve decided to move our opening date to April 14th for now, though that will likely get pushed back by the City of Chicago.

Get booked for your next service by emailing We will be super busy by the time we can get back to work, so please book ahead! We love you!

We are so grateful to our loyal customers 🙏🏼

Need products during the shutdown? You can now purchase products on R+Co and Oribe’s websites and help Sine in the process. Our product partners will share the sales with their networks!! Awesome!!

Please use this R+Co link.

For Oribe products, please enter SineQuaNon in the “add code” box at checkout on

We can’t wait to do your hair, Chicago!


Sine Qua Non Gift Cards are a great way to give the gift of Great Hair.
We pledge to give your special someone the perfect Sine' Experience in our warm and chic salon spaces. You can choose to have a card mailed to recipient ($5 service fee) or send it by email with no fee.
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