| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Density | 
        B
       | 
 | 
 | |||||||
| Skin Thickness | 
        B
       | 
 | 
 | |||||||
| Wrinkles | 
        B
       | 
 | 
 | |||||||
| Facial Pores | 
        B
       | 
 | 
 | |||||||
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Collagen Organisation | 
        C
       | 
 | 
 | |||||||
| Elastosis | 
        C
       | 
 | 
 | |||||||
| Dermal Papillae | 
        E
       | 
 | 
 | |||||||
| Rete Pegs | 
        E
       | 
 | 
 | |||||||