What is the difference between these color techniques: permanent, semi-permanent, highlights, lowlights, cellophane and weave?
A. Before performing any permanent or semi-permanent hair color, it is advisable to find out if your client has any allergies to the hair color you will be using on their hair. A patch test of color can be done behind the ear or inside the elbow. Then test the results in 24 hours. Permanent hair color lifts previous color and adds long-lasting color on the hair. Permanent hair color contains a developer (hydrogen peroxide) and the color remains on the hair until new growth occurs. Permanent color contains ammonia, oxidative tints and peroxide. Permanent colors should be applied several weeks after a relaxer service to prevent hair breakage and maintain the hair’s integrity. A semi-permanent/cellophane color adds sheen, only deposits or adds color, and does not “lift” previously added color. Color cannot lift color. It is made to last through several shampoos, about six to eight weeks. For example, if a client has dark brown hair and they would like to change to a light brown semi or ce
