| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Elasticity | 
        B
       | 
 | 
 | |||||||
| Skin Hydration | 
        B
       | 
 | 
 | |||||||
| Skin Barrier Function | 
        B
       | 
 | 
 | |||||||
| Skin Brightness | 
        B
       | 
 | 
 | |||||||
| Melasma | 
        C
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hyaluronan Synthase | 
        C
       | 
 | 
 | |||||||
| Collagen | 
        E
       | 
 | 
 | |||||||