% | Aging skin (UV) | Aging skin + HA | Statistical analysis |
Proliferation rate | 3.9 ± 2.6 | 8.5 ± 2.8 | *p = 0.028 |
Elastin | 2.2 ± 1.4 | 4.9 ± 2.4 | *p = 0.040 |
Collagen | 60.0 ± 14.4 | 75.9 ± 7.4 | *p = 0.027 |