Human evolution. Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years.
After rinsing out your color, apply the conditioner supplied with your kit but don't wash your hair. Wait at least a full day, preferably 48 hours, after coloring your hair before you wash it. This will also allow the hair color to completely penetrate your hair shaft. About four to six weeks after coloring your hair, you may need to touch-up your roots. When touching up the roots, don't over-color the ends. Apply conditioner to your ends and then just color the roots and top.
Try to limit washing your colored hair to three times a week and wash with warm water. Don't wash your hair until at least 24 hours after coloring, and if you can, wait at least 48 hours. If you style or swim regularly use a clarify shampoo once a week to get rid of any build up. Add a spoonful of vinegar to a glass of water and rinse through your hair after washing. A vinegar rinse will help close the cuticle and retain your color. Regular treatments such as a hair mask once a week and a hot oil treatment once a month will make sure that your hair is well moisturized and help with fading.