More than 80% of consumers worldwide think skin absorbs pollution from the air. Pollution, dirt and chemicals from vehicle emissions, plants, factories, cigarette smoke, etc., are seen by consumers as the second largest cause of skin, scalp and hair problems across the globe; the first is lack of sleep. In some countries, e.g., Russia and China, air pollution is considered a predominant cause of hair and skin problems—even more than sun exposure. Those most sensitive to dust and dirt are consumers in Brazil, Mexico, Pakistan and India, followed by Russia and China.