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Use the same email and password across behindthechair.com, BTC-U, oneshothairawards.com, and Who Does Your Hair — one set of credentials, every site.

Artist—Cassie Siskovic
By Steph Bong·May 08, 2026
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Use the same email and password across behindthechair.com, BTC-U, oneshothairawards.com, and Who Does Your Hair — one set of credentials, every site.
The best pastels and metallics always start with building a strong foundation—aka prelightening and pre-toning. That’s why BTC went live on Facebook with Cassie Siskovic (@cassiskovic) to break down the tips you should be using before depositing fashion colors. Get the tips below, then watch Cassie create a pastel color melt that fades to platinum!

1. Ban The Bands
Developer choice is key for creating healthy-looking color and Cassie’s prelightening motto is LOW & SLOW to maintain the hair’s integrity. She swears by 20-volume developer for most clients, unless they have preexisting pigment, and then the…
