Coloring Your Hair
Permanent hair coloring products contain oxidising agent and an alkalizing ingredient. These chemicals raise the cuticle of the hair fibre so the color can penetrate in the hair fiber. They also facilitate the formation of tints within the hair fibre and bring about the lightening action of peroxide.
In the case of temporary colors the the pigment molecules are large so they do not penetrate the cuticle layer. It allows only a coating action that may be removed by shampooing. Temporary hair coloring products come in various forms like shampoos and gels.
Normally temporary colors are used to give brighter colors to the hair. It is because temporary hair colourants do not penetrate the hair shaft itself. Instead, these dyes remain adsorbed to the follicle and can be easily removed with a single shampooing.
The use of color can cause damage to hair in some cases. It is always better to visit an expert to for coloring hair to avoid any kind of harm done to hair. Coloring hair in some cases can cause breakage of hair strands, hair fall and dry scalp.