Aging can be caused by both intrinsic and extrinsic factors. As we age, our bodies produce free radicals which become catalysts of premature aging. The problem gets impregnated with external factors like UV rays, infrared radiation, pollution and some lifestyle factors too. The skin due to this continuous process loses firmness, radiance, laxity and experiences pigmentation. Though one cannot stop this process it can be slowed down with the right approach at the right time.