When trying to achieve a color that lasts, permanent hair dye is a popular choice. Permanent hair dye offers vivid and long-lasting results by penetrating deeply into the hair shaft, in contrast to temporary or semi-permanent dyes. When they want to make a big change or successfully cover up gray hairs, a lot of people use it.
But when it comes to hair dye, what does "permanent" really mean? It basically refers to a color that will not fade with time. This kind of dye modifies the natural pigment of the hair through a chemical process, guaranteeing that the color endures through several washes.
Prior to committing to the process, knowing how it operates can help you make an informed decision. Understanding the fundamentals can guarantee the best outcomes while maintaining the health and vibrancy of your hair, from how it’s applied to how it interacts with your hair.
- What is "permanent" dye and what is its composition?
- The mechanism of action of permanent dye on hair
- Precautions when dyeing with permanent dye
- Advantages and disadvantages of permanent hair dye
- Permanent and semi-permanent dye: what is the difference?
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What is "permanent" dye and what is its composition?
Paint that is permanent means "constant." It goes without saying that no dye can permanently alter the color of your hair, which is why this term is reserved for the most durable varieties. Ammonia, or its analogue, is the foundation of these dyes; it is a material that enables the coloring composition to deeply penetrate the hair structure and replace the old color pigment with a new one. In this instance, the hair’s molecules break their bonds and then form new ones, which explains why the color lasts for so long.
The mechanism of action of permanent dye on hair
Ammonia, also known as ammonium hydroxide, has an aggressive effect on hair, lifting the hair strands and letting the coloring agent penetrate. There, ammonia and hydrogen peroxide react chemically, causing the hair to swell and completely destroying its natural color pigment and replacing it with dye pigment.
Precautions when dyeing with permanent dye
Ammonia is incredibly volatile – that"s why we all smell permanent dye when visiting a salon or dyeing at home, in the most exceptional cases, ammonia vapors can even cause suffocation. Therefore, to avoid headaches, it is recommended to dye your hair in a well-ventilated room – this applies to both home dyeing and dyeing in beauty salons (although in the latter, this function is often performed by powerful air conditioners). The composition of permanent hair dye certainly irritates the scalp. However, you should check if you are allergic to one of the components of the dye. To do this, apply the composition to a free area of the skin and wait a quarter of an hour: if redness or itching occurs, it is better to refuse dyeing with this composition.
Advantages and disadvantages of permanent hair dye
- Long-lasting: the color lasts up to 7-8 weeks!
- Copes with gray hair: 100% painted gray hair!
- Bright color: really rich shades for every taste.
The drawbacks of permanent coloring
- Unpleasant smell
- The need for further continuous hair care.
- It is difficult to repaint in a different color or return to a natural shade!
- The dye completely destroys the hair structure!
For individuals who want to permanently alter their hair color, permanent hair dye is a popular choice. It functions by entering the hair shaft, preserving the color and making it last through several washes. The natural pigment of the hair is chemically altered by the dye, which prevents it from fading. If you want complete coverage, this kind of dye is great for covering gray areas or creating a fresh, striking look. To preserve healthy hair, it’s crucial to adhere to care instructions because it contains chemicals.
Permanent and semi-permanent dye: what is the difference?
The primary distinction between semi-permanent and permanent dye is that the former is paint free of ammonia. Small amounts of hydrogen peroxide are present in semi-permanent paint, and the peroxide is activated by less harmful substances.
Features of semi-permanent paint include the following:
- It is less durable than permanent.
- The hair structure is not destroyed during dyeing.
- There is no unpleasant odor during dye application.
- Does not paint over gray hair 100%.
Care ingredients are often added to semi-permanent paints, making dying an image-enhancing as well as a health-promoting process. For instance, the conditioning effect of the ammonia-free dyes SoColor Sync Pre-Bonded from Matrix is a complex of ceramides, and it lasts for up to 20 shampoo applications!
| What is permanent hair dye? | Permanent hair dye is a long-lasting color solution that penetrates the hair shaft to change its color. It doesn’t wash out, but roots will need touch-ups as hair grows. |
| How does it work? | It uses a chemical process to open the hair cuticle, allowing the dye to reach the inner part of the hair. Once inside, it bonds with the hair structure, giving long-lasting color. |
| How long does it last? | Permanent hair dye lasts until the hair grows out or is cut. However, color can fade slightly over time due to washing, sun exposure, and other factors. |
| Does it damage hair? | Because it involves chemicals like ammonia or peroxide, permanent hair dye can cause dryness or damage, but using conditioner and hair masks can help maintain hair health. |
For individuals seeking a long-lasting color change, permanent hair dye is a popular option. It functions by deeply entering the hair shaft, preserving the color for several weeks. This kind of dye is perfect for creating a striking, long-lasting look or covering gray hair.
Ammonia and peroxide are two of the chemicals used in the procedure to open the hair cuticle and apply the dye. Even though it works well, it can be harsh on hair, so maintaining the health of your hair requires proper care.
Choosing the appropriate shade and adhering to the suggested aftercare protocol can help you attain stunning, durable outcomes. Your hair will look its best if you use color-safe products, avoid using too much heat, and condition it on a regular basis.
