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.
It contains no ammonia but does have a small amount of peroxide, which opens the hair cuticle slightly so that some color will be absorbed. Demi-permanent does a better job of darkening hair than semi-permanent does, but it doesn't lighten hair. Demi-permanent hair color will fade and typically last 12 to 24 shampoos.