Aloe juice. Leaf of an unidentified Aloe plant from which Aloe juice is being collected. The juice of the leaves of several Aloe species has medicinal properties in the treatment of ulcers, purulent ophthalmia, as a cream for reddened or sunburnt skin, and as a mosquito-repelling lotion. The drug bitter Aloes" is a powerful cathartic sometimes used in black magic rituals to induce a trance state."