Much ado about nothing: over-rated skincare ingredients [Miscellaneous]

Beauty Tips For Body Care
What do you think is the most over-hyped/over-rated skincare ingredient? For me, it's topical collagen. I don't believe that there's been any research showing a benefit to topical collagen....and yet it seems to be a heavily used ingredient in many anti-aging creams. What about you?
Girls Blog 2015
Submitted by Saveferris004