Types of Hair Polish and Their Side Effects
Basically, there are three types of hair dyes, namely temporary, semi-permanent and permanent hair dyes. Here's the difference between the three:
Temporary Hair Dye
For temporary hair dyes, the product must penetrate the cuticle to deposit the color or remove the color in the hair cortex.
Temporary hair dye contains large molecules that are too large to penetrate the cuticle. As a result, this dye only coats the hair shaft which provides temporary coloring to the hair.
This is one of the most commonly used hair coloring alternatives to achieve blonde or gold hair. The use of bleach produces a coloring effect by oxidizing the hair follicles.
This not only damages the natural state of the hair but also removes moisture from the hair follicles. In addition, other side effects are causing dryness, breakage, and split ends, which can lead to hair loss.
Semi Permanent Hair Dye
Semi-permanent hair dyes contain small molecules such as aromatic amines, which cause swelling of the hair shaft. This can cause the dye to penetrate the cuticle and allow it to enter the cortex thereby coloring it.
The use of semi-permanent hair dye is quite popular because it is easy to use and does not contain bleach. In addition, this dye does not change the natural color of the hair but only adds a layer of color that fades over the course of six weeks.
This type of dye simply adds a layer without affecting the nutritional profile of the hair follicle. For this reason, they are considered safer than permanent hair dyes and are often used as an option for hair polish.
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