Grape seed extract can be used in many ways. You can use the oil in foods and on the skin; it can also be taken internally in a tea form and herbal capsule form for dietary health. Externally, grape seed can resolve skin problems such as cellulite, varicose veins and wrinkles. Internally, it provides antioxidants to fight cell damaging free radicals. It rids the body of toxins and assist with healthy circulation, promotes healthy skin and eyes as well as healthy brain function.