Very Young Natural I'm A Natural Blonde- Very Light. I Want To Dye My Hair Darker. Will I Be Able To Dye It Back To How It Is?

I'm a natural blonde- very light. I want to dye my hair darker. will i be able to dye it back to how it is? - very young natural

I'm still young, and my hair is thin, but much of it. I do not want to color their hair, and not by the color, it is not and will not appear colored because it is of course again.