Tag: Occlusive

An oil's classification as drying, semi-drying, or non-drying is determined by its polyunsaturated fatty acid (PUFA) content. Due to its high saturated fat content, coconut oil is a non-drying oil that remains a liquid on the skin's surface, acting as an occlusive barrier to lock in moisture.

According to a 2017 study, lanolin can reduce transepidermal water loss from the skin by 20 to 30 percent, demonstrating its potent moisturizing capabilities. Yet, healthy skin is a result of both internal nourishment and external care, a fact that raises the question: beyond topical products, what is the active ingredient in lanolin and how does it relate to our overall nutrition?