At-home hair colorists have quite a range to choose from. Permanent hair dyes use the harshest chemicals to alter hair color, but semi-permanent dyes ... Never attempt to dye eyelashes or eyebrows with hair dye. Demi-permanent hair color CAN cause a pinch of dryness and even frizziness due to the opening of the hair cuticle and absorption of color. Inexpensive: Semi-permanent dyes under $10 usually have no guarantee of being paraben- and sulfate-free. Semi-permanent hair coloring involves little or no developer, hydrogen peroxide or ammonia, and is thus less damaging to hair strands. It fades little by little with each wash, and is … We know that in the world of hair dye, things can easily start to get a little bit complicated. This is why all at-home dye kits include a little packet of conditioner: it makes the cuticle smooth and helps your hair retain the color for longer. Expect to pay anywhere from $8 to $40 for semi-permanent hair color. Semi-permanent hair dye won’t damage hair much in a single session, but if you plan to re-dye your hair over and over, damage can build up over time. All haircolor damages hair. Semi-permanent color only coats the hair strand, and the effects wash out quickly. It doesn’t have damaging effects on your hair because it doesn’t work on your hair cuticle; instead, it deposits color on the surface of your hair. Semi-permanent dye doesn’t damage your hair because it doesn’t contain ammonia and its volume percentage of peroxide is very low, usually between 6 and 15 volumes. If you only want to dye it once and let it fade, semi-permanent dye will be the least damaging while offering lasting color. As with most beauty products, price does tend to dictate quality. Permanent Hair Color Since permanent hair color involves significant amounts of peroxide and ammonia, it can cause significant amounts of damage, including dryness, breakage, and dullness. Using semi-permanent or demi-permanent dyes, on the other hand, does less damage to your hair and can even add extra shine. While permanent hair dye can last for months, semi permanent hair dye does not have that kind of lasting capacity. The terms semi-permanent and demi-permanent aren’t very specific, but they usually refer to a product designed to just deposit color without lightening your natural color. Because demi-permanent color opens up the cuticle slightly, there is a chance hair will feel frizzy and dry afterward. Covering the Gray. The question is how much. Semi-permanent hair color is less damaging on the hair, however, it does not last as long as demi-permanent hair color. With permanent and semi-permanent color solutions, hydrogen peroxide opens the hair cuticle to insert color molecules and chemically change the color of the strand. The semi-permanent I used once upon a time never seemed to damage my hair much; however, those parts of my hair seem to more easily become damaged afterwards. I have a blonde streak from the sun in this part of my hair, and I doubt it would be as apparent as it is (a light golden colour) if not for the dye. How Hair Dye Could Damage Your Hair Semi-permanent hair color prices. Permanent hair dye is more damaging right away, but it lasts much longer. While the damage it causes is minimal, it's still more of a risk than with semi-permanent hair color.