RESEARCHERS from the universities of Bristol and St Andrews in the UK have found that the colour of a person’s skin affects how healthy and therefore attractive they appear, and have found that diet may be crucial to achieving the most desirable complexion. The work will be published in the December issue of Springer’s International Journal of Primatology.
Using specialist computer software, a total of 54 Caucasian participants of both sexes were asked to manipulate the skin colour of male and female Caucasian faces to make them look as healthy as possible. They chose to increase the rosiness, yellowness and brightness of the skin.
“Most previous work on faces has focused on the shape of the face or the texture of the skin, but one of the most variable characteristics of the face is skin colour,” said Dr. Ian Stephen who is now at the University of Bristol.
“We knew from our previous work that people who have more blood and more oxygen colour in their skins looked healthy, and so we decided to see what other colours affect health perceptions.
This has given us some clues as to what other skin pigments may relate to a healthy appearance.”
Skin that is slightly flushed with blood and full of oxygen suggests a strong heart and lungs, supporting the study’s findings that rosier skin appeared healthy. Smokers and people with diabetes or heart disease have fewer blood vessels in their skin, and so skin would appear less rosy.
The preference for more golden or ‘yellow-toned’ skin as healthier might be explained by the ‘carotenoid pigments’ that we get from the fruit and vegetables in our diet. These plant pigments are powerful antioxidants that soak up dangerous compounds produced when the body combats disease. They are also important for our immune and reproductive systems and may help prevent cancer.
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