How Long Do Phamton Periods Last How Long After Dyeing Hair Do I Have To Wait Until Dyeing It Again?

How long after dyeing hair do I have to wait until dyeing it again? - how long do phamton periods last

I dyed my hair light brown now. Unfortunately, because my hair was so blond, it now seems veryy light brown light brown /. I wanted a dark brown and I wear my hair color now go as a base for the darker. How long should I wait for dark before staining?