Provital has launched Melavoid, which helps to treat and prevent these skin coloration irregularities, according to the company. It is now available at Centerchem, the exclusive North American distributor of the ingredient. In vivo clinicals on a panel of Asian volunteers showed how Melavoid decreased the skin pigmentation intensity resulting in a lighter more uniform complexion. It also reduced the number and intensity of hyperpigmentation spots of various origins. Melavoid is extracted ...