Infused with antioxidants and essential vitamins, this serum works to provide your skin with daily nutrition while shielding it from environmental stressors. Infused with antioxidants and essential vitamins, this serum works to provide your skin with daily nutrition while shielding it from environmental stressors. Saint Jane is a luxuriously clean beauty collection powered by potent flowers, which are known to help calm stressful skin. The brand's healing mission is inspired by the actual St. Jane de Chantal, who lived in 1500s France and dedicated her life to women in need.