Rosemary oil is obtained by steam distillation of the twigs and flowering tops of Rosmarinus officinalis L. (Lamiaceae). It is an almost colorless to pale yellow liquid with a characteristic, refreshing, pleasant odor. d2020 0.892–0.910/0.907–0.920; n20D 1.4640–1.4720/1.4640–1.4700; α20D ?6 ° to +8 °/?2 ° to +5 °; solubility: 1 vol in max. 3 vol 90% ethanol/1 vol in max. 2 vol 80% ethanol (Spanish/North African oil types). The major constituents are 1,8-cineole (16–23%/38–55%), ??-pinene (18–26%/9–14%), and camphor (12.5–22%/5–15%) (Spanish/North African oils). Verbenone is usually a trace constituent in North African oils (0–0.4%), but occurs in Spanish oils in quantities between 0.7% and 2.5%. The main producers of rosemary oil are Tunisia,Morocco, and Spain, with total ～120 t annually. Rosemary oil is used widely in perfumery and in large amounts for perfuming bath foams, shampoos, and hair tonics.