Smith and Cult Filth Noir Swatch
How to remove stubborn dye stains from bleached hair: baking-soda-and-head-and-shoulders
DIY Toner (with ingredients you already have in your kitchen!)
Banish Brassy Hair Safely With This DIY Toner
SMOKY LAVENDER HAIR: ION COLOR BRILLIANCE - YouTube
Matrix colorgraphics lacquer Kleurformules.
Pastels the Matrix way
Wella toners chart