Rosemary leaf extract is an effective antioxidant that protects the skin and prevents signs of premature aging.Rosmarinic acid(rosmarinus officinalis extract) has a powerful calming effect on skin conditions such as eczema and acne.Rosmarinic acid(rosmarinus officinalis leaf extract) is an ingredient in rosemary extract has a calming effect on the skin and may help relieve several common skin problems.Rosmarinic acid is an antioxidant,and caffeic acid is another natural ingredient of rosemary.