According to How Stuff Works, semi-permanent hair dye works by having molecules of color adhere to the hair; some molecules may penetrate the hair cuticle. A little color is removed every time the hair is shampooed. Air ... More »

Permanent hair dye can be faded at a professional salon through use of a bleach bath, with commercially available color removers or at home with one or more homemade concoctions. Homemade solutions include the use of vit... More »

There are a number of companies that make permanent purple hair dye, including Vidal Sassoon and L'Oreal Feria. These products are available at many online retailers as well as neighborhood drug stores. More »

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To make hair dye, prepare ingredients according to the target color, and make an infusion out of herbs. Remove the herbs from the infusion, pour it into a spray bottle, and add a few drops of sweet almond oil to the mixt... More »

Natural hair color, eye color, skin tone and age are all factors that determine which hair dye is best for a person. Generally, the appropriate dye complements one's physical characteristics, rather than overshadows them... More »

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Professional hair dye, or hair color as industry professionals prefer, is a mixture of the target color and a processor: usually peroxide. Normally, the ratio for the mixture is 1:1. More »

Teal hair dye is a liquid, foam or gel coloring agent that changes the color of hair from its natural color to dark greenish blue. Teal hair dye can be permanent, semi-permanent or temporary depending on the brand. More »

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