Why Does Hair Color Change Over Time. As for the seven year cycle theory put forth by my cousin wesley had his own take. My mother was born with blond hair which slowly turned brown by her 30s.
They include stress chemical hair treatments heat styling genetics aging medical conditions. Changes in thickness and texture. Several factors can change the color and texture of hair throughout your lifetime.
Why does hair color change with age.
Given that hair grows a little less than half an inch per month hair that is 12 inches long has been exposed to almost three years of ultraviolet light friction from brushing heat from blow dryers and curling irons and chemicals used to coloring perm or straighten the hair. Most people will experience a change in their hair color when they are children and again when they are senior citizens. A single hair lives for up to six years. Scientists are still unsure of why natural hair changes color.