My 12 minute toner mishap in Denver makes me question all my shortcuts

I have this thing where I mix a tiny bit of purple toner into my clear gloss for brunettes to neutralize brass without going full ash. It's worked for like 2 years on maybe 40 clients, no issues. Yesterday I tried it on a woman with highlighted balayage and left it on for 12 minutes instead of my usual 8 because I got distracted talking to her about her kid's soccer game. Big mistake. Her ends picked up a weird lavender tinge and she noticed in the mirror before I even said anything. She was cool about it, said she'd come back next week for a fix, but I felt awful. I'm wondering if the hard water in Denver makes processing faster or if I just pushed the timing too far. Has anyone else had a one-size-fits-all trick betray them at the worst moment, and how do you decide when to trust your shortcut versus sticking to the textbook steps?

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faithb7815d ago

The 12 minutes is the problem, not Denver water. I’ve seen toner shift fast on highlighted hair before, and 4 extra minutes on porous ends is a huge difference. Those ends are like sponges, they grab way more pigment than your regular virgin hair clients. Your shortcut probably works great on normal levels, but balayage is a whole different beast. Textbook rules exist for a reason, and this is the exact reason why.

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