Lime, Citrus aurantifolia, Rutaceae (family). Oil produced by expression of the rind or steam distillation of the whole fruit or juice of the fruit. The expressed oil is Phototoxic and should not be used in concentrations of more than 0.7% (3 drops in 25ml), if exposed to the sun or using a sunbed within 12 hours of application. Distilled oil is not phototoxic. ANTISEPTIC, APERITIVE, antidepressant, TONIC (nervous sytem, immune sytem, respiratory system), ASTRINGENT, digestive stimulant.