Also known as the stratum corneum, the skin barrier is the outermost layer of the skin and the body part that first comes into initial contact with the physical world. It acts as a protective layer against environmental hazards, pathogens, and harmful ultraviolet radiation, while helping to maintain the body’s water and mineral balance. If...

Skin aging is a natural process that occurs as a result of the gradual decrease in the rate of skin cell renewal and exposure to environmental factors over time. Factors such as harmful UV rays from the sun, smoking, polluted air, and unhealthy diet can accelerate skin aging. Disturbing symptoms (i.e. wrinkles, spots, sagging, and...