Glycylglycine is the simplest peptide, made up of 2 of the simplest amino acids, glycine (R).
Glycylglycine has a molecular weight of just 132 Daltons, which should allow it to penetrate the skin (R).
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Facial Pores | 
        C
       | 
 | 
 | |||||||
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Skin Barrier Function | 
        E
       | 
 | 
 | |||||||
| Skin Oiliness | 
        E
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Parakeratosis | 
        C
       | 
 | 
 | |||||||
| Elastase | 
        D
       | 
 | ||||||||