They earn an average of 564 pounds more a year than women with dark hair and 823 pounds more than those with ginger tresses.
They earn an average of 564 pounds more a year than women with dark hair and 823 pounds more than those with ginger tresses.
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And whether the colour is natural or from a bottle doesn't make a difference.
The average blonde earns 23,150 pounds a year, versus 22,586 pounds for brunettes and 22,327 pounds for redheads.
Despite this, more than half of blondes claim their firm "does not take them seriously" - even though golden-haired Stella English, 31, won BBC1''s The Apprentice this month.
Meanwhile, dark-haired women are the most likely to work late, according to the study of 3,000 women by chain Superdrug.
"Over a lifetime, earning 600 pounds more a year can really add up, so blondes are having the last laugh," the Sun quoted Simon Comins of Toiletries as saying.