Dyed red hair tends to fade the fastest, as the molecules which make up the pigment in red hair dye are larger than average, and unable to deeply penetrate your hair's central cortex deeply enough for long-term colouring.
For natural colors, red fades the fastest. It's some science-y stuff about the size of the color molecules, but red is very hard to keep. Black is the most stubborn and hard to get rid of, even if you use a demi/semi dye.
The intensity of your client's color will have a big impact on how long it lasts. As a general rule of thumb, darker colors tend to stay on the hair for longer.
Generally, the following colors are known for their longevity: Deep Blue and Dark Purple: These colors often contain more concentrated pigments that can adhere better to the hair. Darker shades typically fade more slowly than lighter ones.
Vibrant tones like reds, yellows, dark blues, and deep greens fade faster.
In GH Beauty Lab testing, this Schwarzkopf dye was a star in deep shades like brown and black. These dark hair colors were true to the images on the packaging, the best at initial gray coverage and showed the least fading over 20 wash-and-dry cycles and 10 hours of UV exposure, simulating four weeks of wear.
Wash your hair as often as possible: any time your hair gets wet you should see a little color loss, and hot water should help it along. Hard water will make the color fade even faster because it contains a higher level of minerals that contribute to color loss.
Earth tones like beige, tan, and light green are less likely to start looking faded over time. You can also go with pastels and white.
Demi-permanent color is a great option if you haven't had hair color before, since it will fade gradually without damaging your hair. How long it lasts: Depending on the health and porosity of the hair, demi-permanent hair color lasts between 12 and 24 shampoos before it fades gradually.
First and definitely the hardest by far is GREY & SILVER!!!! This colour is definitely the trickiest on any level. This includes platinum or white, and any silvers or grey, even dark slate grey. For a start, its HARD to achieve as you have to get almost white blonde for any silver.
If your hair is brown, you may need to bleach it more than once before you apply the grey dye. It's important you get your hair as light as possible before you attempt to turn it grey – this will help ensure a more even tone and vibrant, all-over colour.
To preserve hair dye, use products specifically designed for color-treated hair, wash your hair less often with lukewarm water, avoid heat styling, and use hydrating treatments regularly to maintain moisture and vibrancy.
The fastest way to remove hair dye is typically by using a clarifying shampoo or anti-dandruff shampoo. These shampoos contain strong cleansing agents that can effectively strip color from the hair. It's important to follow up with a deep conditioning treatment, as these shampoos can be harsh and drying on the hair.
To make dark hair dye fade faster, you can use clarifying shampoo or a dandruff shampoo, which helps strip away the color. Washing your hair frequently with hot water can also help speed up the fading process. Additionally, exposing your hair to sunlight can naturally lighten the dye.
Select a cool haircolor, like one with the word “ash” in the name, since it's less likely to turn brassy than one that's warm. If you gravitate toward warmer shades, don't worry; there are plenty of lighter haircolors, such as greige blonde, that provide a nice balance of warm and cool tones.
Deep Brunettes and Black
If you're aiming for minimal fading, you can't go wrong with dark brown or black shades. These deep hues tend to hold onto their richness for a longer period. Imagine them as a sturdy fortress—once those color molecules are in there, they're less likely to slip out quickly.
Cool shades like ash blonde and mushroom brown are among the best hair colors to hide grays, since the cool tones won't clash with your silvery streaks.
Collectively, people with red hair were rated as most unattractive, but it must be noted that in the non-obese woman condition, red hair was seen as equal to blond hair in attractiveness, though in every other condition red hair was seen as significantly less attractive.
Darker hair colors like deep black, espresso brown, and blue-black tend to fade the slowest. These colors have larger pigment molecules that hold onto the hair better, making them more resistant to fading.
Generally, reds, blues, and yellows are more susceptible to fading, with red pigments often being the most vulnerable. This is because these colors absorb more light, leading to quicker breakdown and fading.
Cool colours recede (go back) and warm colours advance (come forward). Generally speaking, blues and greens are cool and recede in pictorial depth and reds and yellows are warm and advance.
Red tones are the quickest to fade from the hair, so your color can often lead to looking dull and lackluster.
You can try washing with Dawn dish soap. It may remove some of the new dye If done quick enough. If you can't afford to go to a salon or there are none open for you to go to, you can try using a toner that will help tone down the new hair dye color.
Use a clarifying shampoo.
These deep-cleansing formulas are designed to remove buildup from the hair and scalp and may aid in fading your color faster (just be sure not to choose a color-safe variety, as these are specifically designed not to strip color).