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.
By Susannah Cahalan. December 2, am Updated December 7, am. Amy Adams is a lucky woman. Martins , out now, by scarlet-haired writer Erin La Rosa. Research indicates that redheads have higher thresholds for pain and need less vitamin D than the rest of us thanks to the MC1R gene mutation, which gives their hair its hue. Thanks to higher concentrations of red hair and pale skin in cloudy European environments, redheads gained a greater ability to create their own vitamin D. So when a redhead goes outside, he or she produces more vitamin D in a shorter amount of time than people with other hair colors.
13 amazing facts about redheads that everyone needs to know
That's approximately million people. That's according to a study by a German sex researcher who found that women with red hair had sex more often. A similar English study found that redhead gals had sex an average of three times a week, while our blonde and brunette counterparts have it twice a week. Shame the fellas weren't questioned, too. Because it holds its pigment tighter than any other hair colour, red strands need to have their pigment stripped before being dyed by bleaching which, of course, damages the hair.
Believe it or not, the MC1R genes that cause red hair are also responsible for other physical characteristics that make redheaded sex the best ever. The genes responsible for red hair also cause redheads to respond differently to physical stimuli than men or women with other hair colors. Redheads feel hot and cold temperatures more rapidly and respond to pain differently than blonds or brunettes. This heightened sensitivity can easily translate into exciting sexual play with hot and cold lubes, ice cubes and even sex toys that trigger heightened physical responses.