Permanent hair dye (like the name suggests) is designed to last longer than temporary and semi-permanent hair dyes, however, it still doesn't last forever. Unlike semi-permanent hair dye that's designed to last just a few shampoos, permanent hair dye penetrates the hair strands more, locking in the colour for longer.
Ideally, *permanent hair colour* would stay vibrant forever, or at least until the roots grow. On most heads of hair, that would mean getting a good 6-8 weeks between touch-ups – but sometimes, even with permanent dye, colour fade can happen within a few weeks.
Altering the hair's protein structure through permanent and demipermanent dyeing can cause side effects that include: loss of hair strength. less ability for your hair to handle heat styling. reduced hair thickness.
Does permanent hair dye fade? Sadly, yes. While permanent hair dye won't wash out of your hair in the same way that temporary, or semi-permanent hair dye does, it will eventually start to fade and change shade over time.
Not only can hair dye potentially cause allergic reactions and hair loss (because it aids in weakening your hair shaft and, if you lighten your locks, that can result in dry brittle tresses), but it's linked to breast cancer risk—especially among Black women—too.
As natural brunettes, brown hair dyes can last the longest compared to other hair dyes. There's no need to bleach your hair colour as the eumelanin content will allow the hair colour to stay on longer.
Advantages of Permanent Dyes
There is a wider range of permanent colour shades. They are often more natural-looking than temporary dyes. They provide full coverage of grey hairs. Because they do not wash out, permanent dyes encourage regular shampooing, which supports healthy hair.
Permanent. Permanent dye is the longest lasting dye. Generally, it's safe to re-dye every 6 to 8 weeks. Permanent hair dye lightens the hair and deposits color.
Permanent dyes penetrate deeper into the cortex of the hair, bleach the natural coloring, and trap color particles within the hair shaft. This process can damage the hair. The difference between natural hair color and the color people want to dye their hair may also play a part in hair damage.
In short—the answer is yes. For starters, the hair color offered in at-home varieties is of a lesser quality than those you find in salons. This is because they contain harsher, more concentrated chemicals and often skip out on the protective ingredients used in a salon setting.
Just as with blonde hair, red hair requires a little extra tender love and care. Hack admits that red hair is his favorite to color, but that she's noticed many women don't realize the extent of after-care that's needed. “Red is the hardest color to keep lustrous and the hardest color to remove,” she adds.
It's not your imagination — red hair dye does fade faster than other hair color shades.
natural red-heads have notoriously difficult hair to colour. As most red-heads know, if you try to go darker, the colour doesn't stick to the hair like it would on a blonde or brunette. If you try to go lighter, you are battling constantly with that natural red reflect.
"The best way to grow out your natural color, especially coming from a highlight or balayage look, is to have your colorist gloss down your hair back to the natural level of the roots to allow the natural root to blend as it grows," says IGK Hair Care founder Chase Kusero.
Give it a month to 6 weeks after bleaching and see if your hair starts to recover.
Although most colorists will be able to take you back to brown after bleaching in one session, the process of returning your hair's natural shade is gradual. Each layer of dye applied contributes more depth and intensity so it might not happen all at once.
3: Salon color lasts longer and is healthier on your hair than box hair color.
Hair dye does not stop or even slow down hair growth, but it can cause hair loss by damaging the color-treated hair. The chemicals in hair dye can cause some of the damage.
Red is the rarest hair color, according to Dr. Kaplan, and that's because so few MC1R variants are associated with the shade. “Only three variants are associated with red hair,” she says. “If a person has two of these three variants, they almost certainly have red hair.
In concurrence with both earlier studies, the results of this study indicated red hair as the least preferred hair color. In the Likert scale positive characteristic evaluation, as well as in the survey questions, brunettes were given the highest ratings of all three categories.
Are salon hair dyes better? Simply put, when it comes to salon color vs. box dye, it's always best to get your hair colored at the salon by a professional. Salon formulas better for your hair, and having a pro colorist apply it also ensures the best results.