Hi everyone I was wondering if anyone has used one of those cheaper imitations of Skinceuticals C E ferulic serum. I mean if you go on ebay or amazon and search for the skinceuticals serum then they also show you some cheaper brands, which costs basically one third of the actual brand but they say it has the same combination of ingredients, that is same percentage of Ferulic acid vitamin C and E. Did anyone try them?

I have been using the C E ferulic serum for about three years and I love it. I always buy the sample size but now its been really difficult to find them from a authorized seller. So I was wondering if those cheap substitutes work or not.Thanks

nadia