International Journal of Interdisciplinary Research
Table 14 Tensile strength and elongation of bleached hair after shampoo with or without the use of hair conditioner containing four types of fatty acids
Sample | Treatment | N | Tensile strength (MPa) | Elongation (%) | ||||
|---|---|---|---|---|---|---|---|---|
Mean | SE | % Change | Mean | SE | % Change | |||
Shampoo only | Control | 3 | 284.20 | 70.43 | 100.00 | 43.50 | 0 | 100.00 |
21Â days | 4 | 211.82 | 40.29 | 74.53 | 30.87 | 9.61 | 70.98 | |
Shampoo/PA | Control | 2 | 277.70 | 11.70 | 100.00 | 37.50 | 4.00 | 100.00 |
21Â days | 5 | 381.20 | 38.97 | 137.27 | 40.30 | 2.96 | 107.46 | |
Shampoo/SA | Control | 3 | 308.33 | 149.75 | 100.00 | 39.33 | 3.60 | 100.00 |
21Â days | 5 | 413.08 | 51.93 | 133.97 | 34.70 | 6.82 | 88.22 | |
Shampoo/OA | Control | 3 | 336.31 | 101.47 | 100.00 | 41.00 | 2.46 | 100.00 |
21Â days | 5 | 353.14 | 33.59 | 105.00 | 39.70 | 3.05 | 96.82 | |
Shampoo/LA | Control | 3 | 179.72 | 62.45 | 100.00 | 42.83 | 4.26 | 100.00 |
21Â days | 4 | 397.30 | 77.71 | 221.06 | 35.37 | 7.99 | 82.58 | |