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 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.