How to tell permanent color from rinses, glosses, and toners
Hair color products fall into distinct chemical categories that determine how they interact with the hair fiber.
Reference library
This section sets out plain facts about the formulas we blend, the ingredients inside each bottle, and the steps required for testing before application.
Gray hair and oxidative color
Unpigmented strands lack the natural melanin base that darkens and anchors synthetic dye molecules.
Why color cannot lighten dark hair
Permanent color adds dye molecules to the hair fiber.
How to read a developer bottle
Developers carry two numbers on the label that describe the concentration of hydrogen peroxide inside.
How purple toner handles pale yellow hair
Lifting dark pigment away leaves a raw pale yellow behind.
Caring for hair after coloring
Oxidative color alters the fiber during the 20 to 25 minutes it sits on the scalp.
Skin allergy patch test before coloring
Our hair color is a permanent oxidative formula containing aromatic amines and hydrogen peroxide.
What happens inside hair while the color sits
We blend permanent oxidative dye into a single liquid pump bottle.