HEALTH AND BEAUTY

a white flower on a table© Provided by CNN CBD oil is kind of like a B-list celebrity — popular enough for name recognition, but not so much that people can recite their resume. Once relegated to the health and wellness aisle, CBD oil — which is short for cannabidiol — can now be found in skin care, makeup and hair care products. Whether or not it actually merits a spot in those formulas, though, is a different story. CBD is an active ingredient in cannabis, aka marijuana. Unlike THC, which is the psychoactive part of the cannabis plant that's responsible for that signature high, CBD is non-psychoactive — so no, applying a CBD cream won't get you stoned. But like THC, it impacts the body's endocannabinoid system. "CBD modulates the response of the endocannabinoid system to messenger chemicals," says Dr. Jordan Tishler, a physician and professor at Harvard Medical School. "There are some receptors in skin, particularly, that respond to CBD specifically. Th...