| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Wrinkles |
B
|
|
|
|||||||
| Skin Smoothness |
B
|
|
|
|||||||
| Skin Firmness |
B
|
|
|
|||||||
| Skin Brightness |
C
|
|
|
|||||||
| Hyperpigmentation |
C
|
|
|
|||||||