Chemicals such as cetyl alcohol that bind together ingredients in skin-care products.
Intense Pulsed Light (Ipl)
by David Roberson •
A machine that emits many wavelengths of light—as opposed to lasers, which use just one concentrated beam—to remove hair or erase acne, dark spots, wrinkles, spider veins, and more. While gentler and less expensive than lasers, it isn’t always as effective.