Which product is typically used for creating a sleek look in hair styling?

Using hair serum or oil is particularly effective for creating a sleek look in hair styling. These products are designed to provide shine, control frizz, and smooth the surface of the hair, which contributes to that polished, sleek appearance. They often contain silicones or other smoothing agents that coat the hair shaft, making it look shiny and well-groomed. Additionally, they can help manage flyaways and enhance the overall texture of the hair.

In contrast, hair mousse is generally used to add volume and texture, making it less suitable for achieving a sleek finish. Hair gel is primarily for styling and holding hair in place; while it can create structure, it may also result in stiffness or a less polished look if overused. Hair spray is often used as a finishing product to hold styles in place, but it does not provide the smoothness or shine that serum or oil does.