| Many individuals dye or color their hair for various | | | | Hair colors have designated levels and these levels |
| reasons. It may be to return their grey hair back to its | | | | are as well important to perfectly achieve the desired |
| original color, or to change their hair color to one they | | | | hair color. Essential computations are also essential in |
| feel is more fashionable, or it may be that they just | | | | achieving the desired color and involves careful |
| feel like a bit of change and wants some highlights to | | | | inspection and comparison of the hair's natural and the |
| their hair. Although the results of hair color can vary, | | | | real color versus the desired shade of hair dye. A |
| some are satisfied with the results they get from the | | | | swatch book or ring is often used in this process to |
| coloring treatment while others end up with an | | | | evaluate hair's natural color and to identify match levels |
| unwanted mess atop their heads. Such misfortunes | | | | and tones in natural light. For instance, the desired color |
| may be avoidable if the person wishing to dye their | | | | is Warm Blonde of level 8 and the natural color of the |
| hair knows and understands some of the basics | | | | hair is light ash brown of level 6. The target color level |
| behind this hair treatment. | | | | is multiplied by 2, using the example: Warm Blonde level |
| Prior to the treatment, the color of the dye and the | | | | 8 x 2 is equivalent to 16. Next step is to subtract the |
| type of dye to be used must be properly identified. | | | | natural color level from the previous computation result: |
| The color of the hair, may it be natural or dyed will | | | | 16 - 6 (Light Ash Brown) equals 10. Therefore the level |
| appear different under natural and artificial lighting. | | | | of color to be used in achieving a warm blond shade |
| Often the shade of the hair's color can differ slightly as | | | | from a light ash brown is level 10. If the total number |
| a result of the light's reflection on the hair. | | | | for the level of color is thirteen and above, |
| These hair colors can also come in different types. | | | | pre-lightening is necessary prior to the actual hair |
| Temporary hair colors do not penetrate the cuticle | | | | coloring. This is called double process coloring which |
| layer and are often used in special occasions such as | | | | must be done by a professional hair stylist. |
| parties, Halloweens or cosplays events and due to | | | | A strand test and sensitivity is also required especially |
| their unusual shades. These temporary hair color dyes | | | | for first-timers in hair coloring. The sensitivity test may |
| are available as rinses, shampoos, gels, sprays, and | | | | involve applying the prepared dye solution on a certain |
| foams. Semi-permanent colors are ideal for amateur | | | | body part to determine if there will be allergic reactions |
| colorists as it does not last as long as permanent hair | | | | of the body towards the chemicals present in the hair |
| colors and can loose its loose from washes, depending | | | | dye. A strand test is performed to reliably preview the |
| on the product used. While permanent hair colors will | | | | new color on the hair. From this test, adjustments can |
| not wash out, so as the hair grows, both the hair's | | | | be made to the hair formula to enhance or reduce |
| natural color and the shade of the hair dye will both be | | | | undertones. Also, perfectly time the duration by which |
| visible. To maintain a uniform color of the tresses, it is | | | | the color is allowed to stay on the hair before the |
| recommended that coloring treatments be done on a | | | | excess is washed off can also impact on the end |
| monthly or six-week basis. | | | | result as well. |