Eugenia caryophyllus flower extract is an extract derived from the flowers of the Eugenia caryophyllus plant, also known as clove. Clove flowers have been traditionally used for their aromatic and medicinal properties, and the extract is believed to have antioxidant, anti-inflammatory, and antimicrobial properties. It is commonly used in skincare and cosmetic products for its soothing and purifying effects on the skin.