Alfaparf Milano Semi Di Lino Cristalli Illuminating Essential Oil - 8 Vial - An instant hair repair Microcrystalline Treatment. Cristalli Illuminating Oil adds superior shine, softness & luminosity to dry, dull hair. It's highly nourishing Linseed Oil Complex repairs capillary fibers & seals the hair cuticle, making hair softer & smoother. Does not weight hair down. Instantly leaves hair visibly soft & shiny.