Get some real lemon juice and spray it all in your hair. Stay out in the sun for about 30 minutes to an hour. Wash your hair a few times and condition it well. It will dry up your hair!
You don't. There is no way to die hair without die. It is only possible to lighten hair without dye by using bleach
no
You can dye it without using either of them but if you're going to lighten you must use both of them.
no
yes
The easiest way to lighten your hair is to use bleach designed for hair.
REAL hair bleach or something to just barely lighten your hair?
No. Using a developer by itself will only open the hair's cuticle. You will need bleach or a high lift color, in combination with a developer, to actually lighten it.
You can buy Jolene Bleach for facial hair in most stores. Put that on your hair for about 20 min and let it lighten it
when going out into the sun you can spray lemon juice on your hair, but bugs beware!
Bleach
Aside from bleach, you can also use hydrogen peroxide (H2O2) to bleach hair.