Wash your hair about 20 times if you didn't like the color you should have used semi-permenant. The color will fade and wash out but it takes about a month of washing your hair every day to get it out. Also, dish soap and clarifying shampoos can remove the color faster, though not completely
washing it. but it depends what type it is and what it says on the box. some say the shampoo head and shoulders helps get rid of the semi permanent dye quicker, but don't wash it like everyday since that will damage your hair. wash it normally and as frequent as you can but not every day. or if you really need to get it out go to a hairdresser and ask for their help.
Washing the hair with water and shampoo will completely remove temporary haircolor.
yup
Do you mean pastel hair dye? It depends on if you use a permanent dye or a semi-permanent. Semi-permanent hair dyes will wash out and fade over time; permanent hair dyes will stay in the hair until you cut it or dye it another color.
Manic Panic hair dye is a semi-permanent dye and only lasts for 2 - 6 weeks.
yes, however it has to be a darker shade. Semi permanent dye will never lighten your hair so you can use it to go darker but not lighter.
yes, however it has to be a darker shade. Semi permanent dye will never lighten your hair so you can use it to go darker but not lighter.
Semi permanent colour will wash out in 6-8 weeks.
yes
The permanent color should cover the semi permanent one, if dark enough. But, yes, eventually the semi permanent color will fade away.
Semi-Permanent hair dyes usually last from 4 to 6 Shampoos.
yes, semi-permanent does not have harmful chemicals like permanent dye, I do it all the time.
Maybe, it should work. But be carefull it could go out wrong
It can if you have not washed the excess dye out fully, or if your hair is very porous and has trouble retaining color.