Grapeseed oil is a light, versatile oil extracted from the seeds of grapes, often a byproduct of wine production. It has a mild flavor and a high smoke point, making it suitable for various cooking methods, including frying and sautéing. Rich in polyunsaturated fats and vitamin E, grapeseed oil is also popular in cosmetics and skincare products due to its moisturizing properties. It is often used in salad dressings and marinades, providing a healthy alternative to more saturated oils.