Types of hair color
Temporary hair colors such as rinses, shampoos, gels, sprays, and others are your typical solution for a one day hair color change. The name of the hair dye states its durability, as the pigment contained in the product doesn't penetrate the hair shaft but only adheres to it in order to give the vibrant coloration to the hair. This type of hair dye can easily be washed out and removed completely and effortlessly, making it perfect for special occasions such as Halloween or costume parties.
Semi-permanent hair dyes are more effective than temporary ones as they last for up to 8 washes and don't affect the hair strand. These hair dyes cannot change the initial hair color and don't offer effective gray hair coverage. This type of hair dye can be used by novices to find the perfect hair color for them before turning towards something more permanent.
Demi-permanent hair dyes contain substances which make the hair coloring more effective than semi-permanent and temporary dyes. This type of hair dyes are effective for a few weeks, up to 24 washes and noticeably improve the shine level of the hair without changing the initial hair color. Demi-permanent hair dyes do slightly affect the hairs structure and offer gray hairs a coverage of about 30%.
Permanent hair dyes can change the initial hair color by lightening or darkening the natural shade with a few tones. This is the most effective hair dye of all and gives permanent results, meaning the hair dye will resist up to 6 weeks and further root hair dying will be necessary to obtain a uniform look. Permanent hair color offers 100% gray hair coverage, this is why most women who color their tresses and have gray hairs opt for this type of hair color
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