Over the past few years, the public has gotten annual scares about benzene in beauty products. Elevated levels of the known carcinogen have popped up in products ranging from dry shampoos to ...

450 mµ in benzene and 498·5, 468, 440 mµ in petroleum ether. When the benzene solution is kept at room temperature, neo-lycopene is partly transformed into lycopene (or into a very similar dye ...