Only about 1% of the world's population has red hair, making it one of the rarest natural colors. In honor of International Redhead Day, here are four intriguing facts backed by science and expert insights.
Redheads typically enjoy fuller, thicker hair compared to those with other colors, thanks to more robust follicles—a trait confirmed by dermatological studies.
Read also: "Beautiful gray is not ugly. Have a look!"
Claims that natural red hair will vanish are unfounded, says Dr. Erik Sistermans, a genome diagnostics expert at VU University. While pure red requires the recessive gene from both parents (and dominant genes can suppress it), the gene persists in populations indefinitely.
Scotland boasts the highest concentration of redheads worldwide, with 13% of its population sporting those fiery locks.
Dyed red hair fades fast under UV light because pigments disrupt hair cuticles. For longevity, ask your stylist for pre-pigmentation treatments. At home, use specialized red-hair products to keep the vibrancy alive.
