Satin ain't silk!!!!
Do you prefer to use a silk scarf to sleep in? I don't think I've ever tried silk.
Yes satin is really just polyester which is just modified plastic. Yes 100% plastic! Silk is better 100% natural made of amino acids. Been used for centuries to keep hair healthy, grow longer & more http://www.essenceofsilk.com has the best products of silk & satin.
I went into my sewing books LOL, I am giving my son sewing lessons as we speak.
Satin: this term refers to a Fabrics Weave. Satin can be made of cotton, silk, synthetic fibers and blends. Many types of satin fabrics are used on both clothing and home furnishing, but all hae a distinct shiny appearance because of the way the fabric is woven.