Black current oil The black currant shrub is native to Europe and parts of Asia and is particularly popular in Eastern Europe and Russia. Traditional herbalists uphold that black currant has diuretic (increases urine flow), diaphoretic (promotes sweating), and antipyretic (fever reducer) properties. In Europe, it has been used topically (applied to the skin) to treat skin disorders, such as atopic dermatitis, and as part of gargles to treat sore throats. Black currant juice has been boiled down into a sugary extract, called Rob, to treat sore throat inflammation, colds, the flu and febrile (fever) illness. A mixture made from black currant bark has been used to treat calculus (hardened plaque), edema (swelling) and hemorrhoids . Main Function 1. Protect and regenerate retinal purple (rhodopsin), and cure patients with eye diseases such as pigmentosa, retinitis, glaucoma, and myopia, etc. 2. Prevent the cardiovascular diseases; 3. Quench free radical, antioxidant, and anti-aging 4. A treatment for mild inflammation of the mucous membranes of mouth and throat 5. A treatment for diarrhea, enteritis, urethritis, cystitis and virosis rheum epidemic, with its antiphlogistic and bactericidal action