Each of our Customers' Reviews of Medik8 C-Tetra 30ml can be found below and you can be assured of their authenticity: we only allow customers who have bought the product from us to write a Product Review about it.
I think this is one of the best vitamin C serums I have ever used. I have extremely sensitive skin but have never had any irritation or discomfort from this product. I have definitely seen a difference in my skin which looks brighter, smoother and glows.
