Types of Hair Coloring
There are various types of hair coloring.
Now, let us tell you the insight into hair color.
There are various types of hair coloring.
Now, let us tell you the insight into hair color.
Hydrogen peroxide degrades the melanin pigment in the hair to decolorize. 2 or 3 agents type, which is alkaline, has high permeability and strong decoloring power.
Mechanism
Coloring image drawing
There is no hair dyeing effect, but the hair gets brighter and black hair becomes bright brown color.
Permanent; the color doesnʼt get faded because it is not a coloring with dye.
There is slight damage to the hair as alkali in hair color causes hair to swell.
Very few allergies
The cuticles open by swelling effect of alkali, and the ingredients permeate into the hair. Hydrogen peroxide degrades melanin pigment to decolorize, and dye adheres with hydrogen peroxide to develop color. However, the turn color makes hair darker instead of making brighter (tone down effect) because it hardly bleaches the hair.
Mechanism
Coloring image drawing
It develops color well as it firmly dyes.
About 3 months; color retention is good because it firmly dyes inside of the hair.
There is slight damage to the hair as alkali in hair color causes hair to swell.
There may be some people who have an allergic reaction and may develop a rash.
Acid dye with negative ion is bonded to the hair surface with positive ion to dye hair. Moreover, a part of the dye enters the interior of the hair due to the effect of the penetrant.
Mechanism
Coloring image drawing
It develops color of the hair by coating its surface. Sometimes the hair doesnʼt get brighter and doesnʼt develop clear color especially for the black hair, because it does not degrade melanin.
About 1 month; the color fades little by little with every shampooing.
There is little damage to the hair as it has a coating effect on its surface.
Very few allergies.
Mechanism
Coloring image drawing
Firmly develops color with one time use.
Removed by one shampooing
No damage.
Very few allergies.