Possible Clues:

• Beautician's coloring
• Hide the gray, say
• First thing to be called ''crimson''
• Go blonde
• Nice 'n Easy product
• 'Made a shade of a change to pass on, by the sound of it (3)'
• Darken, say
• Change from bland to blond?
• Gray-hair banisher
• Get a shade of change from the sound of 14 down