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Hair color is a fun way to spruce up one’s look without getting a hair cut or new style. While many women color their strands on their own, this practice can lead to mishaps, making the enlistment of a hair color professional a good idea. Professional colorists have been trained in hair color processing, a highly involved, technical application of color to hair.

Even though professional colorists are skilled in the application and color alteration of hair, their cost per hour may not be within would-be client budgets. That's when temporary color treatments, such as hair color rinses, become helpful. Temporary coloring allows for versatility without damaging or compromising the integrity of the hair.

What is are hair color rinses?

Hair color rinses fall under the temporary hair color classification. A rinse is applied after cleansing and conditioning. Hair rinses are used for several purposes like enhancing gray hair and toning down the colors from permanent dyes.

Why do black hair rinses leave a green cast?

A common problem some women face when using a black rinse is a green cast left on their hair that's visible in the sunlight. While some women love fantasy colors, many are not happy when they were hoping for jet black, grey-less hair and get green hair after a few washes.

“It is absolutely possible that black semi-permanent or demi-permanent hair color, commonly referred to as a ‘rinse’, can leave a green cast on the hair,” according to Monae Everett, an American Board Certified hair colorist and celebrity stylist.

“This typically only happens when you are coloring your hair darker from blonde, especially light blonde to black," Everett explained further, "The reason this happens is simple; blonde hair has a lot of yellow in it. Black has a lot of blue in it. Once combined, you can get the dreaded green cast. The best way to avoid this is to have a professional apply the color."

Since all dark hair shades' natural orange undertones are removed during the lightening process,  Everett recommends introducing orange dye into your temporary rinse process. This is especially important if you're unable to get a professional colorist.

"Color your hair twice, using two different formulas," Everett said, "The first hair color should have a deep orangey tone. Apply it to your wet hair, allow it to process, [and] then rinse it out. Don't be surprised by your noticeably orange strands. The second hair color can be the desired goal of the black hair color. The blue undertones in the black hair color will neutralize (cancel out or balance) the orange strands and give you true black hair color.”

Sounds like a lot of work, doesn't it?

Well, that's why going to a hair color professional may ensure you're get the right color, not a by-product of the color wheel.

If you're up to the challenge, follow Everett’s suggestions and make sure you have clean, healthy hair before the application.

Follow Monae Everett on YouTube.

Has your hair ever turned green after using black hair dye?