June 25, 2020


Get 50% off R+Co Liter sets by using Sine’s affiliate link and entering “LITER50” at checkout. This flash sale is now live, and ends Monday, June 29th at 11:00 a.m. CST.

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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