Most of us may suffer from more than one skin-related issue, whether it's wrinkles, fine lines, under-eye circles, acne or some combination of these. And companies market various products, some of which are advertised as multi-purpose formulas.

A solution called Cellex C claims to be a "luxury" product for all kinds of benefits, including most of the ones listed previously. But a closer look at the ingredients reveals a mediocre formulation; am I missing something here?

Most consumers may not be familiar with such ingredients -- or even know which ones are promising and which aren't -- but you can judge a product's quality and promise in other ways: by checking consumer testimonials and checking up on the company's commitment to customer service, for example.