Only 2 percent of the world’s 7.7 billion humans have naturallyred hair.

It’s in their genes specifically the one called MC1R.

If your hair is red, your MC1R gene will have a mutation (or possibly several).

Model Karen Elson poses in red sequin dress

On Karen: Dries Van Noten dress.

These variants also affect melanin production (most redheads have freckles too).

Redheads' gene variation causes their melanocytes to produce mostly pheomelanin.

Some reports even say redheads smell different than the rest of us sweeter.

Models with red hair wear bright pink and red lisptick

On Tess, left: Dior headband. On Karen, right: Paco Rabanne shirt. Chanel headband.

“It changed my life,“Elsonsays.

“I looked in the mirror and said, ‘This is me.'”

“There are infinite possibilities in being a redhead.”

Model Karen Elson wears blue top and red skirt red lisptick

On Karen: Gucci collar, shirt, and skirt.

We’re a little mysterious and hard to pin down.”

Until recently, the Nassau, Bahamas-born model considered herself a blonde.

‘“Carteris now thoroughly embracing the lifestyle.

Model with red hair flying in breeze

On Tess: Simone Rocha dress and coat.

“Redheads have such a kind aura about them,” she says.

“I dont think I’ve ever made contact with a ‘bad’ redhead.”

Needless to say, she has no plans to permanently alter her color.

Model with red hair and bangs on yellow background

On Tess: Louis Vuitton dress.

That was about six years ago; today,Mahoganyis a full-time model carving her own path.

“Being a redhead especially being a Black redhead is extremely rare,” she says.

“I’m in my own lane.”

Model poses with orange jacket red textured hair and blue eyeshadow

On Mahogany: Jason Wu coat and dress.

Her name and the color of her hair are merely a happy coincidence.

“But my dad always said that mahogany [stands for] richness and strength.

I feel like my name was a gift to me.”

Model in printed jacket and top blue lipstick and braids

On Mahogany: Brandon Maxwell jacket and dress.