Table 3: Evaluation parameters for shampoos.

S. No. Evaluation Parameters Batches
F1 F2 F3 F4 F5 F6 F7 F8 F9
1. Physical appearance Light brown Dark greenish brown Light greenish brown Dark brown Dark brown Green Greenish brown Brown Greenish brown
2. pH 5.86
±0.057
6.06
±0.057
6.20
±0.100
6.13
±0.057
6.03
±0.057
6.20
±0.000
6.10
±0.100
5.93
±0.152
6.06
±0.152
3. Viscosity (cP) 1.05
±0.011
1.04
±0.005
0.98
±0.011
0.98
±0.00
1.00
±0.011
1.02
±0.005
0.99
±0.03
0.96
±0.00
0.96
±0.011
4. Dirt Dispersion Light foam Light foam Light foam Light foam Light foam Dark foam Moderate foam Moderate foam Light foam
5. Solid Content (%) 1.74
±0.042
1.98
±0.031
2.49
±0.039
2.72
±0.049
1.74
±0.012
2.48
±0.053
3.25
±0.045
2.02
±0.036
1.48
±0.017
6. Surface tension (dyne/cm) 39.86
±7.86
36.83
±5.47
36.60
±1.42
40.15
±7.65
33.05
±0.86
35.56
±0.66
34.02
±0.53
33.41
±1.19
34.89
±1.22
7. Wetting time (sec) 10
±0.052
8
±0.049
5
±0.051
6
±0.056
8
±0.051
9
±0.057
10
±0.000
7
±0.012
11
±0.017