What a great find! I was trying to find a good pressing medium for my self made eyeshadows and a quick google search led me to a few different sites and videos that all recommended that Biosilk was a great alternative to CoastalScents.com's EZ Prez Medium. Which if you remember, I disliked because the packaged leaked like crazy and I wasn't too thrilled about the oil layers that separated within 2 minutes of being initially shaken. The ingredients of GVP's Silk Treatment are exactly the same as Biosilk, but I guess in slightly different proportions because it is a bit thicker. Now, I like the Biosilk dupe just fine, a few drops is all I need for making the dry ends of my hair feel ridiculously smooth yet not oily. I like pressing pigments with it as well, the thicker formula makes for less mess! EZ Prez Medium has fewer ingredients, but the GVP dupe has the same ones and more- fragrance and preservatives. Preservatives, yuck- you say? Not so fast, those dreaded parabens allow the formula to suspend its ingredients evenly. I'm not too worried because I'm using such a small amount, a couple drops per eyeshadow pan and the pay off is fantastic. Not to mention the price! 6oz for about 6 bucks with my Sally Beauty Supply card, what a deal! The medium is about 10 bucks for 2 oz and Biosilk is 13 for about 2.5 oz. I feel like I'm paying for an actual product instead of a fancy sleek bottle. After all, isn't that what matters the most?