Description: Vaccinium myrtillus (myrtle) leaf extract is the extract of the leaves of vaccinium myrtillus, ericaceae. It is a rich source of resveratrol, which is a potent antioxidant. boost skin’s defense against environmental stressors (such as damaging UV rays), which can help to mitigate the onset of wrinkles, and other signs of aging. Resveratrol, other than a potent antioxidant, has proved to visibly minimise hyperpigmentation on skin dis-colorations and slow down the process of photo-aging on skin.