How long do i wait b4 dying my brown with blonde highlighted hair pitch black?

HELPPP!! so i dyed my natural Black hair brown with blonde


highlights about 2 months ago, how long should i wait to home dye my hair pitch black again asap, even though my hair isn't in the best condition from heat damage? Should i wait a bit longer?How long do i wait b4 dying my brown with blonde highlighted hair pitch black?
it will be fine just make sure you get a really good treatment and put it through before and after you dye this will protect it from further damage and help what damage is already present





goodluck :)