| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Skin Elasticity | 
        E
       | 
 | 
 | |||||||
| Wrinkles | 
        E
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Fibroblast Proliferation | 
        D
       | 
 | ||||||||
| Tropoelastin | 
        D
       | 
 | ||||||||
| Skin Blood Flow | 
        E
       | 
 | 
 | |||||||