I never knew you could get a Perricone product at this price point. Is it a sample size? For that price, I say go for it if you're thinking about trying it.
Costco has carried Perricone and many high end cosmetic brands for years with awesome price points and bogo type of occasional promos too. I have ordered many times with complete satisfaction. All items are full sized unless otherwise indicated in the product description. Also items come from the actual vendor and haven't been warehoused by Costco. Costco accepts all returns if need be.