Hazelnut oil is a carrier oil extracted from the nuts of the hazel tree, also known as Corylus avellana. It is high in essential fatty acids, particularly oleic acid, an omega-9 fatty acid, and linoleic acid, an omega-6 fatty acid, and antioxidants. It is known for its nourishing and moisturizing properties and is often used in skincare products to help with dry and sensitive skin. It is also believed to have anti-inflammatory properties, which may make it useful for treating certain skin conditions. Hazelnut oil is also used in hair care products to add shine and nourishment to the hair. It is typically used in skincare products, cosmetics, and hair care, it can also be added to other carrier oils to make a blend. It has a light, non-greasy texture that is easily absorbed by the skin, it has a mild, nutty aroma. It is considered safe for most people when used topically, but it's always best to do a patch test before using it and to consult with a healthcare professional before using it internally