Why do semi-permanent dyes fade?
Well, because they are semi-permanent! The formula is designed to fade. While there are things you can do to help the dye last longer, it is still possible for the dye to fade quickly. Some people have longer lasting results than others because of hair type. There are several factors that contribute to the lasting power of the dye in your hair, read over the about hair dye section on this page for more information. The surest way to keep the color is when it starts to fade recolor it.
