| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Elasticity | 
        B
       | 
 | 
 | |||||||
| Skin Firmness | 
        C
       | 
 | 
 | |||||||
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Wrinkles | 
        C
       | 
 | 
 | |||||||
| Skin Smoothness | 
        C
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Cell Renewal | 
        B
       | 
 | 
 | |||||||
| DNA Damage | 
        C
       | 
 | 
 | |||||||