why do I get less blonde each year?

[mltn2mtn]

When I was first born I was fully blonde very very light. My hair has progressively gotten darker throughout the years, and I now am just dirty blonde. Why does this happen?

 

[justtrynalookgood]

When I was first born I was fully blonde very very light. My hair has progressively gotten darker throughout the years, and I now am just dirty blonde. Why does this happen?

or you're just dirty

 

[mltn2mtn]

or you're just dirty

huh? Wdym