Free HSI Professional Argan Oil Hair Treatment Sample August 28, 2020 by Laurie Leave a Comment August 28, 2020 This post may contain affiliate links, which means if you click on a link and purchase something, I may earn a small commission (at no additional cost to you.) See my disclosure policy HERE. Head over here to get a free sample of HSI Professional Argan Oil Hair Treatment! If you love this brand, or want to try it out, grab this sample while it’s available. Love a bargain? Find more free stuff HERE.