Knowledge by RUB is a Citrus Aromatic fragrance for women and men. Knowledge was launched in 2015. The nose behind this fragrance is Geza Schoen. Top notes are Lemon, Lavender, Bergamot and Orange; middle notes are Lavender, Mate, Hedione, Myrrh and Rose; base notes are Iso E Super, Hedione, Musk, Woody Notes and Myrrh.