What should I do to prevent my hair color from fading out?

A. 1

If you dye your hair once, doesn't it last until it grows?

Lady 8 years ago 0

OK

A. 2

I heard that using dry shampoo can last a long time
Dry shampoo doesn't use water at all, but it's kind of uncomfortable

Lady 8 years ago 0

OK

A. 3

@2 If dry shampoo is possible...
It's baking soda instead of dry shampoo. You can wrap it with baking soda

Lady 8 years ago 0

OK

A. 4

@2 It's not good to keep using dry shampoo
I don't know how to wash my hair without water when I need it
If you keep using it, it can cause hair loss

Gentleman 8 years ago 0

OK

A. 5

I heard that you can keep it for a long time if you wash it with cold water

Lady 8 years ago 0

OK