I have dyed my hair with henna once and have recently ordered more to touch up my roots. The first time I used henna, I didn't want it to be too dark, so I used fruit pectin to help it stay light and only left it on for an hour. It turned a nice orange-y red over my natural blonde and I was pleased with the result.
Now, I feel if it was a bit more red, it might look better with my skin tone. But, once again, I don't want to go too dark. I was wondering if henna a second time takes more or less and how long I might want to leave it on if I do decide to henna my whole head again.