| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Smoothness | 
     
        C
       
     | 
  
    
  | 
  
  
    
  | 
|||||||
| Wrinkles | 
     
        C
       
     | 
  
    
  | 
  
  
    
  | 
|||||||
| Hyperpigmentation | 
     
        C
       
     | 
  
    
  | 
  
  
    
  | 
|||||||
| Skin Redness | 
     
        C
       
     | 
  
    
  | 
  
  
    
  | 
|||||||
| Facial Pores | 
     
        C
       
     | 
  
    
  | 
  
  
    
  | 
|||||||