Quo Cosmetics Which Concealer Is Better? MAC Studio Fix Or QUo Optical Illusion Concealer? *pic*?

Which concealer is better? MAC studio fix or QUo optical illusion concealer? *pic*? - quo cosmetics

http://www.maccosmetics.com/templates/pr ...
thats MAC

and quo ... http://www.shoppersdrugmart.ca/english/b

for their rings.

Thanks