The lemon, Citrus limon, is a species of small evergreen tree in the flowering plant family Rutaceae. Juice from lemons is used for purposes such as cooking, cleaning, and as a fragrance ingredient. Out of all citrus fruit-derived ingredients, Citrus limon (lemon) fruit extract has the most reported uses in cosmetic products, with a total of 530; more than half of the uses are in leave-on skin care preparations. The concentration range for citrus limon (lemon) fruit extract in cosmetics is 0.0001% to 1.2%.