Figure 4. Absolute amount of color lost after 10 wash cycles with water or Formula B in continuous or sequenced approaches, with or without drying

Figure 4 compares the fading of auburn tresses washed either: 10 times in a row without ever drying them, i.e., “continuous” washing; or auburn tresses shampooed and dried at 45°C for 2 hr between shampoos up to 10 times, i.e., “sequenced” washing.