including what certain ingredients do for the skin. Fadul advises keeping business startup costs to a minimum by starting with a basic line (cleanser, toner and moisturizer), and expanding from there.

"And there was always kind of this sense in the back of my head of like, 'OK, well, someday I'm going to start my own business.'" So a few years ago, he left to launch his own skin-care business ...

Konstantin Kakanias All of the experts we consulted agreed on one thing: Sunscreen is, hands down, the most crucial and preventative skin-care product. Experts recommend using a daily moisturizer ...