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The Science Behind Hair Dye Shampoo

Apr 18, 2023 | By Queenie

The Science Behind Hair Dye Shampoo

The Science of Permanent Hair Dye Shampoo for Gray Coverage

It's common for our hair to begin graying as we get older. While some people embrace their silver strands, others prefer to cover them with hair dye.

Traditional hair dye, however, can be time-consuming, uncomfortable, and even damaging to the hair. That's where permanent hair dye shampoos come in.

In this post, we'll discuss what permanent hair coloring shampoos are, how they function, and why they can be a smart hair health of choice for people trying to cover their gray hair.

What is Permanent Hair Dye Shampoo?

What is Permanent Hair Dye Shampoo?

Permanent hair dye shampoo is a hair dye product that comes as a shampoo. It is designed to provide long-lasting color to the hair, typically covering gray hairs completely.

Unlike temporary hair dye shampoos, which only deposit color onto the dry hair part's surface, permanent hair dye shampoos penetrate the hair shaft to provide a lasting color change for damaged hair.

How Does Permanent Hair Dye Shampoo Work?

How Does Permanent Hair Dye Shampoo Work

Permanent hair dye shampoos use a combination of color pigments and chemicals to alter the hair's natural color. Most permanent hair dye shampoos use a variety of ammonia and hydrogen peroxide to lift the color treated hair from cuticle and deposit color into the hair shaft's cortex—the pigments bond to the hair's natural melanin, creating a lasting color change.

Advantages of Permanent Hair Dye Shampoo for Gray Hair