Hair coloring is both the science and art of changing the color of hair. Hair
coloring includes the processes of adding artificial pigment to the natural hair color,
adding artificial pigment to previously colored hair, adding artificial pigment to
prelightened hair, and diffusing natural pigment and adding artifical pigment in one step.
There are many varities of hair coloring and even more of a variety in the ways to instill
Hair lightening involves the diffusing of the natural pigment or artificial color of
the hair. Attained skill in hair coloring is accomplished through continouos practice and
study, just like in any other skillful practice. The princible reasons for the coloring or
lightening of hair are to restore gray hair to its original color, to change the natural color
of hair to a more attractive shade, to restore hair to its natural color, to create decrative
effects, and to enhance or create highlights.
A successful cosmotoligist should understand the composition of the hair and
sclap, the proper selection and application of coloring and lightening products, and the
chemical reaction of tints and lighteners on hair. It is important that cosmotologists
understand the theory of color pigment before applying hair coloring prouducts to
In hair there is a substance called melanin which is the basis of the hair's natural
color. Melanin is the type of pigment found in the cortex of the hair shaft. The size,
amount, and distrabution of melanin determines the natural color of hair. Greater
amounts of large...