| A | B |
| Semipermanent | last through several shampoo |
| Temporary | removed by shampooing |
| Demipermanent | formulated to deposit but not lift ( lighten) natural color |
| Lightener | chemical compound that lighten hair by dispersing, dissolving and decolorizing the natural hair pigment |
| Secondary color | green, orange, violent |
| Chemical hair relaxing | curly hair into a straighter or smoother form |
| Chemical texture service | alter the natural wave pattern of the hair |
| Permanent waving | undergo a chemical change cause by the application of permanent waving solution and naturalizer |
| End paper | absorbent paper used to control the end of the hair when wrapping and winding hair on the perm rod |
| Relaxing | removing curl or wave, leaving the hair smooth and straight |