Apart from using AHA, BHA serums and vitamin C serums, this time I am trying a new kind of face serum from the brand Strivectin. It is a bit pricey, but came with glowing reviews, so I had to try it. StriVectin Tightening Face Serum has an innovative tetrapeptide combined with patented NIA-114 technology. Read on for more details on this face serum...