A double process color refers to a two-step deal. This is generally done by either lightening the hair first, then going in after or applying a color or glaze, OR this is done by smearing a color then following up again with a color (permanent, demi, or semi). 

This method of coloring is also good for someone who is going from a really bright color to a darker one, to help it last long and attain the desired look. 

When it comes to hair color, you have three main options: highlighting, single-process color, or double process. Nevertheless, which one is better?

Highlights For Hair

This are an ideal option if you have a perfect base hair tone, and do not want to amend your natural hair color too much. Highlights are often the introduction to hair coloring, since they improve your hair by adding streaks that are a shade or two lighter than your natural hair color. They look the most vibrant when the stylist uses at least two different shades. You can also ask for face-framing highlights to enhance your complexion.

Single process Hair Color

Single process means that a new color or toner is applied all over your head to create a new base color. The hair is lifted and placed in one easy step. This means it takes a lot less time than a double process and typically is more cost-friendly, too. It is the most mutual color treatment out of the two and is wonderful for covering grays and adding shininess to dull hair.

On the other hand, if you want to go several shades lighter or darker than your natural hair color, single-process (also known as all-over color) is the way to go. This procedure changes the color of your entire head of hair, giving you a new, one-dimensional tone that can be as intense or subtle as you like.

Double-Process Hair Color

The substitute to single-process color or highlights is a double-process color. Double processing changes your entire hair color while adding dimension and extra color through the second treatment.

Typically, the double-color process is used when you want to take dark hair much lighter. Stylists begin by bleaching out your natural hair color then puts on the new color. It can also be done with an overall color, then a highlight treatment during the second stage. This process is often the secret to the great hair we see on many celebrities, but it comes at a price. Not only will you be paying for two separate color treatments—which gets expensive—but too much of it can lead to damaged hair.

If you opt for this process, you will need to take care of your hair more than with the other color options to offset the additional chemicals. This means buying a set of products to maintain it. You will want to deep condition your hair regularly and avoid a lot of heat styling, which can lead to breakage and split ends. When you do heat style, use a heat protectant every time. Talk to your stylist about whether your hair is healthy enough to take double processing, and get tips for caring for your hair afterward.

Therefore, whichever treatment you opt, type and need of your hair has a major contribution to its selection.

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