What is a primary benefit of using pre-shave oil?

Using pre-shave oil is primarily beneficial because it softens facial hair. The oil acts as a lubricant that helps to reduce friction between the razor and the skin, making the shaving process smoother and more comfortable. When facial hair is softened, it becomes easier to cut, which can lead to a closer shave and minimizes irritation and razor burn. This preparation is especially important for those with coarse or thick facial hair, as the enhanced hydration from the oil can significantly improve the shaving experience.

While the other options mention benefits that may seem relevant in a grooming context, they do not accurately reflect the primary purpose of pre-shave oil. Enhanced hair color pertains to styling products and treatments rather than the shaving process. Preventing hair loss is generally associated with treatments specifically designed for scalp health, not pre-shave products. Additionally, while some pre-shave oils might leave a slight sheen on the skin, providing a glossy finish is not a primary function of these oils. The key role of pre-shave oil lies in its ability to soften facial hair, making it easier and more effective for shaving.