¿ what can i do to lighten my hair naturally ?

[TK.]

When I was 4 or 5 years old, my hair was dark blonde but with the passage of time it darkened until it reached a dark brown tone.

What can I do to clear it up?

PS: I am 16 years old

it looked like this

 

[RoundHouse]

Cuando tenía 4 o 5 años mi cabello era rubio oscuro pero con el paso del tiempo se fue oscureciendo hasta alcanzar un tono castaño oscuro.

¿Qué puedo hacer para aclararlo?
PD: tengo 16 años

Era algo así

Speak english you fucking mutt​

 

[TK.]

and now it looks like this

 

[RoundHouse]

and now it looks like this

Dark brown mogs any other hair colour to oblivion, worst colour as a male is blonde

 

[TK.]

Speak english you fucking mutt​

I am not Mexican

 

[jaw_is_law]

its just genetic