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International Journal of Interdisciplinary Research

Table 11 Comparison of color strength (K/S) of dyed white hair (WH) and bleached hair (BH) by dye type (after 10 times of shampooing) (α = 0.05)

From: Effect of surfactant type on the dyeability and color resistance of semi-permanent basic hair dye

Variable

Shampoo

Hair-Dye

N

Mean

SE

Duncan

F

p

Color strength (K/S value)

Ac

WH-CBD

6

4.55

0.57

b

6.194

.011

WH-NBD

6

5.80

0.96

b

WH-ABD

6

2.52

0.27

a

Ne

WH-CBD

6

5.33

0.37

b

7.436

.006

WH-NBD

6

6.64

1.20

b

WH-ABD

6

2.52

0.47

a

Al

WH-CBD

6

4.39

0.66

ab

4.074

.039

WH-NBD

6

6.58

1.13

b

WH-ABD

6

3.28

0.61

a

Ac

BH-CBD

6

15.49

0.33

b

9.617

.002

BH-NBD

6

15.89

0.35

b

BH-ABD

6

13.91

0.33

a

Ne

BH-CBD

6

16.22

0.49

b

14.223

.000

BH-NBD

6

15.82

0.36

b

BH-ABD

6

13.55

0.27

a

Al

BH-CBD

6

15.99

0.23

b

35.455

.000

BH-NBD

6

15.69

0.36

b

BH-ABD

6

12.85

0.27

a

  1. * The same letter in the Duncan column indicate that the mean of groups were not different at α = 0.05. CBD cationic basic hair dye, NBD nonionic basic hair dye, ABD anionic basic hair dye, Ac acidic shampoo, Ne neutral shampoo, Al alkaline shampoo