| commonly | 14 | degree |
| often | 6 | temporal |
| as a preservative | 3 | purpose |
| chemical → be found in → shampoo | 32 |
| chemical → be used in → shampoo | 30 |
| chemical → be added to → shampoo | 5 |
| chemical → find in → shampoo | 5 |
| chemical → be in → shampoo | 4 |
| chemical → be included in → shampoo | 3 |
| negative | neutral | positive |
| 0.470 | 0.477 | 0.052 |
| Raw frequency | 79 |
| Normalized frequency | 0.544 |
| Modifier score | 0.764 |
| Perplexity | 28.121 |