Pain Thy Lips with Tar!

This is quite an interesting discovery- you know why women darken their eyes?

And, may be, why it would be a better idea for a girl to apply a darker colour to her lips?

Check this:


Illusions: What's in a face?: Scientific American Slideshows:

"The two side-by-side faces are perceived as male (right) and female (left). However, both of them are versions of the same androgynous face. The two images are exactly identical, except that the contrast between the eyes and mouth and the rest of the face is higher for the face on the left than for the face on the right. This illusion shows that contrast is an important cue for determining the sex of a face, with low-contrast faces appearing male and high-contrast faces appearing female."

(Photo Credit: bertiemabootoo)