Hylamide C25 Stabilized Vitamin C Booster

This serum should come with warnings that it can cause irritation and sensitivity for first time users!! I decided to give this product a go after finishing my Vitamin C cream. I am always on the...

[1.15.2016: Just a quick update. I've now been using this for two weeks 2x daily. My initial impressions below from less than a week of use still hold up and I continue to be very happy with C25...