I've been reading up that some products don't work well without coverscents, such as CORE which has something to do with the diffusion. So if I wanted to wear CORE(with fury) and an unscented pheromone, I feel like people will only register the CORE and not register the unscented. There is no way to buy the coverscent for fury right now but If I wear two different products at two different locations of the body, I'd want them to have the same or similar projection and if I wanted to do that, Id have to spray a different smelling coverscent in order to do so.