What it is and what it is for?
Coloring is a treatment that changes the color of hair. The color contains its specific composition and, therefore, these treatments must be applied with care.
The main reasons for using coloring is to cover gray or white hair, to change to a color considered more fashionable or desirable, or to restore the original color of the hair after being bleached by hairdressing or sun bleaching processes.
What are the most used ingredients and their function?
Hair dyes have several ingredients, the most common of which are the following:
The base cream is a water-based component emulsion.
Color precursors are small colorless molecules that can penetrate in order to build larger color molecules.
Dyes are color molecules previously developed, used in permanent staining to allow staining with a reflection.
The alkaline agent is responsible for opening the cuticle layer of the hair so that active ingredients such as hair precursors can penetrate the hair.
Antioxidants help prevent the pre-oxidation of color precursors during storage in a tube of hair cream.
Complexing agents involve potential metallic impurities, thus preventing an unwanted reaction.
Which types exist and what are their differences?
Hair coloring has three types: temporary, semi-permanent and permanent.
The temporary serves to remove yellowing from the threads and lasts on average only six washes.
The semi-permanent discreetly covers white hair or even enhances hair shine.
The perm can lighten or darken the wires effectively or permanently and is the most used in beauty salons and by women who make the changes of look at home.
What is the most used packaging format and what are the most frequent sizes?
The hair color packaging is usually in tubes and usually the same size, the most frequent amount being 50ml.
What to take into account when choosing a hair color?
It is necessary to take into account some factors to combine the color with our beauty and therefore we must pay attention to our skin tone to choose a perfect color for our appearance and consider the natural color of our hair.
What are the recommendations for use and tips?
You should not dye your hair if there are lesions on the scalp.
You should not use products made at home, it is best to look for a specialized professional.
You should always wear gloves and keep the environment ventilated.
What are the pros and cons of using a hair color?
The advantages of using this type of product are: providing adequate coverage of white hair and having a wide variety of shades available; the damage caused to the hair is less intense when compared to the permanent dye because it does not contain ammonia; provide a coloration closer to natural; can be applied to pregnant women and not damage the wires.
The disadvantages are as follows: it can damage the hair; the coloring duration is limited to a few washes and also does not effectively dye the white threads; have ingredients harmful to hair health.
