what is a demi permanent hair color

Demi-permanent hair color is a type of hair dye that is less permanent than permanent color but more permanent than semi-permanent color. It is made without ammonia and mixed with a low-volume developer to help open the cuticle and deposit pigment on the surface layer of the hair without lightening the natural hair color. Demi-permanent color lasts up to 24-28 shampoos, making it a good choice for those who want a temporary color change or to enhance their current shade with a new tone. It is also great for blending gray, refreshing color, toning highlights, or for corrective work. Demi-permanent color is usually applied to dry hair before shampooing. It is less damaging to hair than permanent color because it does not contain ammonia, and it wont alter or damage curl patterns. Demi-permanent color can darken hair by about three shades, but it is recommended to stick within two levels of the natural color for the best results.