An intravenous pyelogram (IVP) is an x-ray examination of the kidneys, ureters and urinary bladder that uses iodinated contrast material injected into veins.n intravenous pyelogram (IVP) is an x-ray examination of the kidneys, ureters and urinary bladder that uses iodinated contrast material injected into veins.
Demi-permanent hair color is designed to enhance and intensify natural or previously color-treated hair. It doesnât permanently alter hair color, but it is long-lastingâup to 24 shampoosâand fades gradually, so you donât end up with a harsh regrowth line.
Assuming you used semi or demi-permanent hair dye, you should first shampoo a few times to see if your color fades to a lighter, more appealing shade. If this doesnât work, you should wait two weeks before attempting to fix the bad dye job. The reason why is because choosing to re-dye your hair too soon after an initial color treatment risks further damage to the hair follicles â leaving your strands severely dry and brittle.