Jojoba oil is a light oil extracted from the Simmondsia chensis nut and it mimics the natural body oils called sebum leaving your skin, soft and silky throughout the day. It is especially great to use in the winter where the air is less humid and the skin tends to lose water faster. Kyroche Jojoba butter penetrates the epidermis and forms a barrier to prevent excess water from being lost via the skin. leaving your skin feeling moisturized in the winter.