One of them is: do not use conditioner before coloring the hair.
"If you want to dye your hair, you should not be washed first. Even before washing your hair, you should not use conditioner," said Daniel Tjen, hair & make-up artist.
Because the conditioner protects the hair shaft. This causes the paint can not enter. "If it turns out your shampoo and conditioner to use, you have to wash again forced to remove his conditioner," explains Daniel.
Here are some hair dyes that you should try: