Shea butter is a natural moisturizer ingredient derived from the nut of the African shea tree. It is a popular ingredient in many skin care products due to its high concentration of fatty acids and vitamins that help to nourish and protect the skin. Shea butter is known for its anti-inflammatory properties, which can help to reduce redness and irritation. It is also a great source of antioxidants, which can help to protect the skin from environmental damage.