| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hyperpigmentation | 
        C
       | 
 | 
 | |||||||
| Skin Smoothness | 
        C
       | 
 | 
 | |||||||
| Skin Redness | 
        C
       | 
 | 
 | |||||||
| Wrinkles | 
        C
       | 
 | 
 | |||||||
| Fine Lines | 
        C
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Collagen | 
        C
       | 
 | 
 | |||||||
| Porphyrins | 
        C
       | 
 | 
 | |||||||
| DNA Damage | 
        E
       | 
 | ||||||||