These types of softeners soften all types of fabrics especially the one which is made of synthetic fibers.Macro silicons are made of Emulsions with a particle size of 120 nm.  The before said emulsions cannot penetrate into the yarns texture so they only stay on the surface.In textile industry, it has been a long time that silicone compounds used as an anti  Static-electricity, lubricant in the weaving process of fibers, and anti-foaming and softening compounds ;used in final stages.Macro silicones are hydrophobic but in compare to macros are showing less amount of durability.