International Journal of Interdisciplinary Research
Table 12 Comparison of ΔE*ab and K/S values between the groups with different number of shampooing
From: Effect of surfactant type on the dyeability and color resistance of semi-permanent basic hair dye
Hair-Dye-Shampoo | Variable | Shampoo group | N | Mean | SE | t | p |
|---|---|---|---|---|---|---|---|
WH-CBD-Ac | ΔE*ab | No shampoo | 6 | 0.00 | 0.00 | − 6.471 | .001 |
Shampoo 1 time | 6 | 6.33 | 0.98 | ||||
Shampoo 1 time | 6 | 6.33 | 0.98 | − 5.419 | .000 | ||
Shampoo 5 times | 6 | 16.02 | 1.50 | ||||
Shampoo 1 time | 6 | 6.33 | 0.98 | − 8.547 | .000 | ||
Shampoo 10 times | 6 | 17.16 | 0.80 | ||||
Shampoo 5 times | 6 | 16.02 | 1.50 | − .627 | .517 | ||
Shampoo 10 times | 6 | 17.16 | 0.80 | ||||
K/S | No shampoo | 6 | 17.47 | 0.62 | 3.663 | .004 | |
Shampoo 1 time | 6 | 11.81 | 1.41 | ||||
Shampoo 1 time | 6 | 11.81 | 1.41 | 4.032 | .002 | ||
Shampoo 5 times | 6 | 5.11 | 0.87 | ||||
Shampoo 1 time | 6 | 11.81 | 1.41 | 4.756 | .001 | ||
Shampoo 10 times | 6 | 4.55 | 0.57 | ||||
Shampoo 5 times | 6 | 5.11 | 0.87 | .543 | .599 | ||
Shampoo 10 times | 6 | 4.55 | 0.57 |