Manganese tripeptide-1 is a complex of the transition metal manganese with the peptide made up of the amino acids glycine, histidine and lysine. It is similar to copper tripeptide-1, just with a different transition metal (R).
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Facial Pores | 
        C
       | 
 | 
 | |||||||
| Skin Brightness | 
        C
       | 
 | 
 | |||||||
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Skin Smoothness | 
        C
       | 
 | 
 | |||||||
| Skin Elasticity | 
        C
       | 
 | 
 | |||||||