For Lev Glazman, it started at Whole Foods. The co-founder of the Fresh cosmetics company saw a juice made with açaí (pronounced ah-sigh-ee) berries and was intrigued. "I read the label and immediately started doing research," he says. "Açaí has been known, especially in Brazil, for amazing antioxidant benefits. I thought it would be an amazing ingredient to use topically."
Antioxidants, commonly found in fruits and vegetables, are the body's defense against free radicals—reactive chemicals that are needed to destroy viruses and bacteria but can be harmful to healthy cells. Fast-acting radicals are the hardest to scavenge, and, says Menelaos Papagiannopoulos...