Resveratrol Essence

I can't comment on price or packaging as this was a sample packet. I got this sample in one of their catalog things. I liked the product, it worked extremely well, however I have never in my life...

I have repurchased this product a couple of times. This serum runs about $60 for 1.5 floz. It sounds expensive to me but I haven't found anything that works as well in any price range. The only...