When women viewed clean-shaven men, those that were masculinized and, even more so, feminized were viewed as less attractive than men whose faces were unmanipulated.
So, consider your beard the equivalent to a peacock's plume or a deer's antlers.
“Sun exposure is the primary cause of photo-ageing and skin damage so it makes sense that if your face is covered by a heavy beard, it may well protect your skin from the signs of ageing,” explained Dr Adam Freidmann.
“This means fewer wrinkles and a reduction in age spots (liver spots) commonly found on the face,” the Harley Street dermatologist told .
It all depends on the combination of genes, Haak-Bloem explained, which can be entirely random.
One gene in particular, MC1R, plays a crucial role in giving people red hair, she noted.