Brassica Oleracea Acephala Leaf Extract

_Brassica oleracea acephala_ leaf extract is a long name to describe green kale leaves. This plant extract is a rich source of antioxidants for skin and bodily health, given kale leaf is also consumed as a food source. Among the primary antioxidants in kale leaf are beta-carotene, vitamin C, chlorogenic acid, and numerous types of glucosinolates, compounds which break down to help defend skin and the body (when kale is eaten) from carcinogenic threats. Kale is a member of the _Brassicaceae_ family of vegetables which also includes brussels sprouts, cauliflower, broccoli, and arugula. All of these nutrient-rich plants help skin defend itself from environmental aggressors such as UV light and airborne pollutants. Kale leaf has also been shown to help strengthen surface skin cells as a means of keeping its moisture barrier intact and smooth. Usage levels of _Brassica oleracea acephala_ leaf extract in cosmetics hovers around 1% when it’s part of a blend. It may also be supplied on its own, as a powder, in which case higher levels that impart a green color to cosmetics are necessary.