Whether they've made us laugh, swoon, or reminisce, all these celebrities have one thing in common: They experimented with red hair. Here, a look back at the most striking reds throughout the decades. Riverdale 's resident redhead is very proud of her cherry locks and even recorded a funny PSA in support of all redheads. Want to know Kate Walsh's secret to her red hair? She uses three different shampoos. Now that's dedication.
You Got the Luck of the Irish: You’re a Redhead!
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While we've long admired natural shades on redheads such as Jessica Chastain , Isla Fisher and Karen Gillan , many other celebrities have been giving the shade a spin. Remember when Dua Lipa debuted a bright cherry-red bob last summer, then Kim Kardashian-West followed suit not long after? But it's Gigi Hadid who's given us all the fiery red hair inspo this week, with the new, beautifully bride shade really accentuating her blue-green eyes:. In order to see this embed, you must give consent to Social Media cookies.
5 Health Risks of Being a Redhead
Sorry, ginger-haired English Prince Harry. Ireland has the highest per capita percentage of redheads in the world -- anywhere from 10 to 30 percent, according to Eupedia , a website that explores European genetics and ancestry. They are almost equally prevalent in Scotland and other pockets of Celtic pride. A slightly lower percentage hail from Cornwall in England and western parts of Switzerland. Red hair is associated with the gene MC1R, a recessive and somewhat rare gene that occurs in only about 2 percent of the world's population, according to the National Institutes of Health.
Red hair or ginger hair occurs naturally in one to two percent of the human population , appearing with greater frequency two to six percent among people of Northern or Northwestern European ancestry and lesser frequency in other populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein. Red hair varies in hue from a deep burgundy or bright copper , or auburn , to burnt orange or red-orange to strawberry blond. Characterized by high levels of the reddish pigment pheomelanin and relatively low levels of the dark pigment eumelanin , it is associated with fair skin color , lighter eye color , freckles , and sensitivity to ultraviolet light. Cultural reactions to red hair have varied from ridicule to admiration with many common stereotypes in existence regarding redheads.