Do expensive creams work?

I was at Nordstrom's the other day--had to return something. I had planned to just get a credit, but succumbed to my shopaholic urges and bought an expensive eye lotion (Kinerase Extreme Lift). Kinerase products are very expensive, but I use the face creams--a dermatologist once recommended Kinerase as an anti-aging cream when my skin wouldn't tolerate retinol.

So is it worth spending $95 on eye lotion/serum? "Clinically proven to visibly reduce the appearance of crow's feet in 5 minutes...get visibly younger looking eyes without undergoing any procedures... " says the package. I'm trying an experiment--I'm putting the K-Lift around my left eye and drugstore-purchased Neutrogena Ageless Intensives Lifting Treatment around my right. I think the N-gena cost around $20. So far (one day) I don't see any difference. In fact, the left eye area loops droopier, but then it always does. One note in fairness to K-Lift: I needed to use only a tiny drop of K-Lift vs a strip of creamy lotion from the Neutrogena. So not sure what the per application price difference is. (K-Lift is .5 fl oz vs N-gena .43 fl oz.