People usually color their hair so they can improve their looks. For example, not unusual to get seniors coloring their head of hair black as a way to appear younger far better looking. The primary chemical ingredients mixed up in the coloring process are bleach and ammonia.
Peroxide (an oxidizing agent) usually comes in varying forms and strengths and supports initiating large forming process. Mit also supports creating a long lasting color.
The greater the amount of bleach in a dye, greater the volume of surfur taken out of hair. Loss of surfur leads to hardening of hair and lose of weight.
Ammonia on the hand behaves as a catalyst when the permanent hair color combines with bleach. The same as all alkaline products, ammonia supports separating the cuticle and enables the hair color to get in the hair cortex.
With regards to the quantity of these chemicals within the dye, hair dyes are sorted into three main categories: temporary, semi-permanent and permanent dyes.
Temporary hair dyes are often used when the first is going for special occasions including Halloween parties along with other events. These dyes are usually within gels, sprays, foams, rinses and shampoos.
Generally, the pigment particles over these dyes are large and they also can't go into the cuticle layer; the particles remain adherent towards the hair shaft that is usually easily removed simply an individual shampooing.
Semi-permanent hair dyes coat hair shaft and also change the hair color temporarily to various shades of red, blue, and pink. Whenever you apply them, the dyes last for 6-10 washes so you need not mix them other components.
The pigment particles in the dyes usually are small in proportions plus they easily penetrate inside the hair cuticles.
Permanent hair dyes are widely-used if you want to remove the pigment of natural hair and change it to colors. The particles within the dye usually are very small in size thus they easily enter into the cuticle and for that reason they bring about about permanent alteration of hair color. This can be the best dye if you want to cover your grey hair.
These are the main dyes that can be used to color your hair. You need to note that although dyes are very effective in their working, they are able to cause damage of hair. The dyes can even be allergic to your skin thus making you really really irritating when you wear them.
Due to this you should be cautious and make sure which you always test these products before with these.
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