Brassy hair, that’s what. One of the biggest frustrations is brassiness, which tends to set in a few weeks after the initial dye takes place. Do: offer a treatment Offer a blue toning mask conditioning treatment in between hair … Dyed blonde hair looks great, but it can be a difficult color to maintain. Step 3 - Total Results Brass Off Blonde Leave-In ... - Protects hair from heat How To Use - When hair is damp, liberally apply from ends to roots - Style hair with hot tools, this will protect hair from heat - Once hair … Brassy … Brassiness refers to the unwanted warm tones that show up in colored hair. Educate your clients as much as possible as to why it's so important to use Brass Off as insurance for their hair color. It typically happens in dark hair that gets dyed platinum or blonde, but it can also occur in hair that’s been highlighted or in hair …