It's safe for sensitive skin in most cases hazelnut oil is safe for people with sensitive skin. Although it's an astringent it's different from the alcohol-based astringents you often see in the skin care aisle. Alcohol-based astringents can be harsh and can dry out or irritate your skin. Hazelnut oil is a natural alcohol-free astringent that doesn't usually cause irritation. It's hydrating the high vitamin e and fatty acid content in hazelnut oil can help increase hydration in the outermost layer of the skin. By keeping skin hydrated vitamin e also helps improve skin elasticity making it look firm and supple. It's moisturizing hazelnut oil's fatty acids and vitamin e also make it an effective moisturizer. These ingredients help create a natural oil barrier that helps your skin retain water and avoid drying out. It can be used as an astringent hazelnut oil contains tannins which are powerful antioxidants. The tannins in hazelnut oil make it an astringent that can help dry oily skin cleanse and shrink pores and remove bacteria. It helps protect against sun damage sunlight creates free radicals which harm your cells and lead to signs of aging in your skin. Vitamin e helps protect your body by neutralizing free radicals and protecting cell membranes from sun damage.