Fanola No Yellow Mask: When the Mask Beats the Shampoo
The mask and the shampoo declare the same violet dye — the difference is what carries it. A straight comparison, with the times and prices each listing actually publishes.
How to Use Purple Shampoo Properly (Without Ruining Your Blonde)
Fanola's own listing tells you to focus where the yellow is worst. Colour chemistry says your porous ends will grab the violet first. Reconciling those two is most of the job.
Purple Shampoo: How It Works, What It Can't Do, and Who Needs It
Violet does not remove yellow from your hair. It adds a second pigment on top of it, which is why toning is maintenance rather than correction, and why it washes out.
