Extract that can have antioxidant benefit for skin (Source: Journal of Agricultural Food Chemistry, October 1999, pages 3954–3962), but its aromatic components can cause irritation or sensitizing or toxic reactions on skin (Source: Chemical Research in Toxicology, November 2001, pages 1546–1551). When rosemary extract is present in small amounts (as is the case for most Clinique products, such as their Super City Block) it is much less likely to be a problem. Also, rosemary extract is much less of a problem for skin than rosemary oil.
