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