Pterostilbene is a natural analog of resveratrol that is found in the heartwood of the Indian kino tree Pterocarpus marsupium (R), as well as in grapes and blueberries (R). It is considered a more potent, stable and bioavailable alternative to resveratrol (R).
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Skin Brightness | 
        C
       | 
 | 
 | |||||||
| Skin Elasticity | 
        C
       | 
 | 
 | |||||||
| Skin Hydration | 
        C
       | 
 | 
 | |||||||
| Skin Smoothness | 
        C
       | 
 | 
 | |||||||
| Wrinkles | 
        C
       | 
 | 
 | |||||||
| Outcome | Grade | Effect | Studies | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Elastase | 
        D
       | 
 | ||||||||
| Mushroom Tyrosinase | 
        D
       | 
 | ||||||||
| Collagenase | 
        D
       | 
 | ||||||||
| Melanin | 
        D
       | 
 | ||||||||