The results revealed that, compared to women with dark hair, men found light-haired ladies more attractive overall, but more specifically, perceived them as younger and healthier. However, there is one downfall of blondes, apparently — they were also seen as more promiscuous, which is generally not a good thing.

Why are blondes the most attractive?

Caucasian blondes are usually slightly higher in oestrogen than brunettes and are likely to exhibit other infantile sexually selected traits (indicating low levels of testosterone) that are considered desirable by males, for example finer facial features, smaller nose, smaller jaw, pointed chin, narrow shoulders, ...

Are blondes actually more attractive?

According to Fiona Macrae of Daily Mail, University of Westminster researchers have found that while blonde women are approached more frequently, it's the brunettes who men rated higher on a scale of attraction.