Why Does Blonde Hair Turn Brown As You Age. Some people have brown hair always some have blond hair always and some switch from blond to brown in early childhood. Because blond hair tends to turn brown with age natural blond hair is significantly less common in adulthood.
Just one of those things. Why does hair color change with age. We all have genes to produce both.
Blond hair tends to turn darker with age and many children s blond hair turns light medium dark brown or black before or during their adult years.
If these cells don t make much melanin your hair turns blonde. Blond children often turn dark haired before puberty. See their hair go dark brown by their 10th birthday. Hair is not the only feature to naturally change color as you age for 10 to 15 percent of people their eyes do too.