Avoid shampoos that contain sodium lauryl sulfate, sodium laureth sulfate, and sodium chloride. Sulfate in shampoo can cause hair color to fade.
Stick to Gentle Cleansers
“These shampoos can remove the fresh pigment and tone of your hair,” he says. Instead, Sacco says to opt for a sulfate-free or color-safe shampoo so you can cleanse without worry. “Sulfates are fresh color's worst enemy,” says Sacco.
What ingredients should you avoid if you have color-treated hair? The most important part of caring for color-treated hair involves avoiding the following ingredients, as shared by pro colorist Richy Kandasamy: sulfates (SLS or SLES), parabens, sodium chloride, and petrochemicals.
"After you dye your hair, don't wash it for at least two days because the hair is still sensitive and therefore will be more like to fade faster," says Sergio Pattirane, a hairstylist at Rob Peetoom in New York City. "We recommend waiting to wash it so that the color stay fresh and longer."
Although stylists may wash your hair immediately after coloring it, doing the same isn't recommended for at-home colorists. Washing your hair after you color it will fade and shorten the lifespan of your color. Instead, you can simply rinse the excess pigments from your strands with cool or cold water.
What to do after coloring hair? Wash your hair after at least 48 hours. Protect your color from sea or pool water by wetting your hair thoroughly with regular tap water before swimming or applying conditioner over it to keep salt and chlorine from entering your hair shaft.
As a result, deciding how frequently to color your hair is a delicate balancing act. As a general rule, wait at least four weeks, and preferably six weeks, before starting another treatment. Semi-permanent hair color can be used more frequently than permanent tints if desired.
Use the Best Shampoo on Color-Treated Hair
– When you wash color-treated hair, be sure to use a color-protecting shampoo. Using a good shampoo will help your color last longer and help maintain the health of your processed hair. – Sulfates can strip color from hair, so look for a sulfate-free shampoo.
For most products, a “color-safe” label means it's free of any harsh chemicals that can cause your hair color to fade. The most prevalent chemicals you'll see in shampoos are sulfates, which are strong detergents meant to cut through grease and enhance that bubbly lather most of us are used to.
After color application wait 24 hours before washing your hair. Try not to wash your hair every day. Every other day is better. The longer you can wait and use dry shampoo the better if you feel you have greasy roots.
Dyed Hair is more likely to become dry and brittle, so treat it often with conditioners specifically formulated for color-treated hair. It helps create a protective barrier, which can prevent your dye from quickly washing out. Make sure to condition every time you shampoo, even if you have fine hair.
If you do have colored hair and you're wondering how to treat it, it's best to look for clarifying shampoo for color-treated hair. These clarifying shampoos work by removing the excess sebum, a naturally occurring oil, from the hair shaft. Milder surfactants won't be so aggressive as to affect hair dye, though.
"Sulfates may strip away too much moisture and leave the hair dry and possibly damage it," she says. "They may also make the scalp dry and irritated." For those with color-treated hair, sulfates can also strip and dull your hair color, says Jennifer Korab, a professional hairstylist.
Sulfate (SLS) is harmful to hair color as it quickly removes the absorbed hair colors with each usage. As a result, select a product that is sulfate free. Also, choose a hair color care shampoo and conditioner that is stable at the pH range of 4.5 – 5.5; It is vital for preserving your hair color from fading.
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.
A colour hair rinse that isn't permanent doesn't penetrate the hair shaft, so is the perfect solution for anyone looking to dye their hair without causing breakage or damage. There are many shades available, but because these rinses don't contain strong chemicals or bleaches, don't expect a dramatic colour change.
Generally, it's safe to re-dye every 6 to 8 weeks. Permanent hair dye lightens the hair and deposits color.
Hair color needs at least 48 hours to settle into the hair strands. So, if you wash your hair 24 hours after highlighting, the color will quickly wash away and become dull.