Stress and Skin: How Cortisol Damages Your Complexion Med Spa EducationPatient GuidesWellness Stress and Skin: How Cortisol Damages Your Complexion Chronic stress shows on your skin. A San Mateo med spa expert explains the science of cortisol, acne, collagen loss, and how to repair stress-damaged…Derick DownsApril 12, 2026