| to fill lines | 5 | purpose |
| back into your skin | 4 | transitive-object |
| for facial treatment | 3 | purpose |
| collagen → be → injected | 11 |
| collagen → be injected under → the skin | 8 |
| collagen → be injected into → the skin | 7 |
| collagen → be injected into → the tissue | 3 |
| collagen → be used for → injection | 3 |
| collagen → be injected at → several points | 3 |
| negative | neutral | positive |
| 0.128 | 0.630 | 0.242 |
| Raw frequency | 35 |
| Normalized frequency | 0.324 |
| Modifier score | 0.800 |
| Perplexity | 234.802 |