Cold winds, frost and rain all contribute to drying out the skin. As the weather gets colder, it is important to pay more attention to our skin through a natural, moisturising beauty regime, which will leave your skin looking radiant and feeling hydrated in the harsh winter months. What are Carrier Oils? A carrier oil or vegetable oil is derived from the fatty portion of the plant usually the kernel, seeds or nuts. How Do They Work? Carrier oils are particularly effective for protecting the skin from drying out and nourishing the skin in the cold winter months. Many carrier oils simulate sebum, which is the skin’s natural moisturiser. Essential.