What is the function of linoleic acid in the body?

The role of linoleic acid in the body is primarily linked to the maintenance of skin hydration. As an essential fatty acid, linoleic acid plays a vital part in the structure and function of the skin's barrier. This barrier is crucial for preventing transepidermal water loss, which helps to keep the skin moist and hydrated. When the skin is well-hydrated, it appears plumper and more resilient, contributing to overall skin health.

While linoleic acid has multiple benefits, including some that may indirectly influence blood vessel function, its most recognized effect in the context of skin health is its ability to maintain hydration. This is especially important for individuals with dry or compromised skin, where linoleic acid supplementation can improve skin moisture levels and overall texture. Thus, the correct choice highlights an essential aspect of linoleic acid’s role in promoting skin health through hydration.