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.
How long after a perm can you wash your hair? A person should wait 24 to 48 hours after receiving a permanent hair treatment before washing her hair. If water is applied sooner than 24 hours after the perm, the chemicals can neutralize, and the hair can lose the curl. To achieve the best results, wait 48 hours.