Pumpkin Seed Extract Best Antioxidant Anti-Ageing Hydration Pumpkin Seed Extract description Type of squash that is a very good source of antioxidant cartenoids and vitamin E. Pumpkin seed extract and pumpkin seed oil are also a great source of essential fatty acids (including linoleic acid) and zinc. It’s an excellent non-fragrant plant extract to see in cosmetics. Related ingredients: Cucurbita Pepo Seed Extract Curcubita pepo (pumpkin) seed extract Cucurbitea Peponis Pumpkin