Red hair does, in fact, fade more quickly than most other hues. This is because the red colour molecule is bigger than those of all other hues. The molecule cannot penetrate a sufficient depth in the cortex because of its size. The molecule thus remains on the surface and disappears with each wash.
When exposed to water, all dye molecules diffuse out of the hair a bit. But, since red ones are smaller than brown or black molecules, they slip away faster (blondes don't have to worry about shade fade – bleaching removes melanin altogether, so there's no hue to lose).
What Hair Color Fades the Slowest? Generally speaking, dark colors will last the longest, with black staying nearly permanently. Anything dark has the best-staying power. Black, brown, and dark red fade the slowest, but a darker brown will last longer than a lighter brown.
“Red is the hardest color to keep lustrous and the hardest color to remove,” she adds.
Different colours fade at different rates: Earth-tone colours like beige, brown, tan, and others hold up better when exposed to the elements. These colours' inorganic pigments are less likely to degrade than organic hues like reds, blues, greens, and yellows.
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.
What are the most difficult hair colors to maintain? Red hair is notoriously difficult when it comes to upkeep. While it's the hardest color to fully strip from your hair, it's also the first to fade, often lightening drastically within the first few washes.
Purple hair dye fades faster than many other colors, including red and blue. This is because the purple dye molecules aren't able to penetrate the hair shaft deeply, leaving them vulnerable to external influences.
It fades fast.
I didn't realize that even though I dyed my hair blue, those strands would spend the majority of their lifetime green. Within a month, the hair was teal, and within in two months, it was a pastel green. Red dye is also notoriously short-lived, turning to copper and orange, says Kiyah.
The rarest natural hair colour is red, which makes up only one to two percent of the global population.
Red hair. Red hair ranges from light strawberry blond shades to titian, copper, and completely red. Red hair has the highest amounts of pheomelanin, around 67%, and usually low levels of eumelanin. At 1–2% of the west Eurasian population, it is the least common hair color in the world.
Mid brown hair has orange underlying pigment. Your hair can start out a beautiful cool mid brown shade and slowly through washing, those orange tones can start to peak through. Its the same for the darker brown tones except you will see more of a red colour coming through.
Shampooing Too Often After Coloring
All colored hair has an expiration date. Depending on whether your dye is temporary or permanent, your color may last anywhere from 6 to 30 washes. For those who wash their hair multiple times a day or week, this means your hair color may fade faster.
Blue hair will eventually fade into green. It's hard to avoid it but it is easy to fix.
And good news: not only is blue hair a fun and bold statement, but it also looks great on all skin tones. If you have a warm complexion, try a blue tone with green or purple hues to balance your yellow or gold undertones. Or, if you have a cooler complexion, pure blues are sure to complement you best.
Unfortunately, pink hair fades fast, so you will need to stay on top of the upkeep. Schulz recommends having at-home products that can keep the color looking fresh.
In general, most purple hair dyes will fade to a lighter, more pastel shade of purple over time, as the color molecules gradually break down and are washed out of the hair. Some purple dyes may also fade to pink or blue tones, depending on the undertones in the dye and how it interacts with your hair.
Red often fades to pale pink, however, this may change if you started with a more orange-toned dye which may fade to a more peachy hue. It all depends on the particular colour you started with. How long does red hair colour take to fade? The red hair colour generally will fade with each wash.
The more you wash your hair the quicker the fading process will be. We advise for coloured hair to be washed 1-2 times a week maximum, this applies to both natural hair and hair extensions. Invest in a good dry shampoo and no one will ever know!
Washing and rinsing your hair with hot water will strip away the color and should leave your hair significantly lighter. Wash your hair again. Repeat washing with a clarifying shampoo a few times before drying your hair. Examine the results to determine whether your hair has faded to a color you like better.
A permanent dye lasts the longest, and re-applying every 6 to 8 weeks is safe. Permanent hair coloring lightens and colors the hair.
Permanent hair dye typically lasts for between four to eight weeks before it grows out or fades (more on that below).
Suds up less frequently. The more you wash your hair, the faster your color will fade.
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. The colour you go for will also influence how long your hair will stay vibrant.