Beauty
Here is NailToks hypothesis.
One nail polish color thats as timeless as it gets?
The buzzy theory purports that glossy black nails promote feelings of increased confidence.

And especially when paired with blackout sunglasses, her overall aura is giving all things powerful and mysterious.
The ruby hue is theorized to be just as attention-grabbing in a subconscious way.
This article was originally published onOct.

source: www.bustle.com