So it’s a very good thing L’Oreal’s put some guardrails on the Colorsonic. It’s not a one-stop dye machine. This device is only designed to handle the coloring part of the process.

In line with the Launchmetrics data, Lefty found that L’Oreal’s ‘Walk Your Worth’ campaign, which ran alongside the Paris runway show, took the number one spot — generating 1,069 posts from ...