chemical dyes
There are three types of chemical hair dyes:
- Temporary tint: This type of dye covers the outer layer of the hair only, does not penetrate the hair shaft, and remains for a very short period, so that it is removed after washing the hair once or twice.
- Semi-permanent dye: This type of dye is characterized by its penetration into the hair shaft, and it usually disappears after washing the hair 5-10 times.
- Oxidant permanent dye: This type of dye is the most common in use among other types of dyes, as it not only penetrates the hair shaft, but also causes chemical changes in the hair shaft; Which makes it last for a long time until new hair grows, and permanent dyes are composed of many chemical compounds such as coal tar dyes, and colorless materials such as: aromatic amines, phenols, in addition to hydrogen peroxide, and these materials interact with each other chemically to form the consistency of the dye, and it should be noted that the dyes The dark ones contain a high percentage of these substances, so the damage resulting from them will be double.
natural hair dyes
Henna is considered one of the most famous types of natural hair dyes, as it does not contain chemicals that harm the hair, and there are many types of dyes in the market that are called organic or natural dyes, but in reality they are industrial commercial dyes that include chemicals in their composition, according to What was confirmed by the US Food and Drug Administration, so it is possible to resort to natural home-made dyes to avoid these harmful chemicals, and among the natural ingredients that can be used to change hair color are: carrot juice, beetroot juice, lemon juice, coffee, and chamomile tea.
Read also:How do I color my hair without dye?Fixing the color of natural pigments
To fix the color of naturally dyed hair so that it stays for a longer period, you must follow the following:
- Reducing the use of hot tools on hair such as: hair dryers, hair straighteners, and hair straighteners.
- A heat protectant should be used on the hair before using hot tools.
- Avoid using hot water when taking a shower.
- Minimize hair washing.
- Use a water filter in the bathroom that filters out chemicals that deplete hair color, such as heavy metals and chlorine.
