What are the key benefits of using facial oils?

Facial oils are particularly beneficial for providing hydration and improving skin barrier function. They contain essential fatty acids and emollients that help to lock in moisture, making them excellent for maintaining the skin's hydration levels. By forming a protective layer on the skin, facial oils prevent moisture loss and can enhance the overall resilience of the skin barrier. This can also help to reduce the appearance of dryness and flakiness, promoting a smoother and more radiant complexion.

While the other options mention various skincare benefits, they do not accurately reflect the primary advantages of facial oils. Enhancing fragrance is not a core function of facial oils, as their main purpose is not to scent but to nourish the skin. Similarly, while some exfoliation methods are important for skin care, facial oils do not effectively remove dead skin cells; that function is typically associated with scrubs or chemical exfoliants. Lastly, toning the skin and reducing pore size usually involves toners or specific serums, not facial oils, which focus more on hydration and barrier support.