Escentric Molecules Molecule 01 + Iris DetailsIso E Super is an abstract synthetic molecule characterized as a cedarwood note with a warm, velvety cocooning sensation. Iris is a natural extracted from the root of several varieties of iris. "It's not easy to describe iris' smell as such, but if you smell a fragrance without it, and then with it, you understand immediately what it does. It adds a creamy powderiness. It brings a physical dimension to a fragrance. I have had a long-standing love.