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.
This means that demi-permanent color can darken your hair color, but the absence of ammonia makes it unable to lighten the hair. Since it does not make a permanent color change, the color fades gradually, lasting up to 24 washes.