Review (4/5): I wanted to re_purchase the CE ferulic from Skinceuticals, ...
I wanted to re_purchase the CE ferulic from Skinceuticals, but can't afford it. So I tried these products. The Vit C serum is thick and yellow, and I always thought that this means it has oxidized e lost potency. The CE ferulic was thinner and an almost clear serum. This serum is also much more sticky than the Skinceutical version. I will use it up, but may purchase the travel sizes of CE ferulic.