Overview
Dr. Sam Ellis, a board-certified dermatologist, discusses how stress and elevated cortisol impact skin health, highlighting visible signs and explaining underlying mechanisms.
Effects of Cortisol and Stress on Skin
- Chronic stress leads to increased cortisol, affecting every organ, including the skin.
- High cortisol levels cause thinning skin, more noticeable on hands, elbows, and knees.
- Thinning skin results in easier bruising due to decreased collagen support.
- Increased risk of developing broader, darker, and atypically located stretch marks.
- High cortisol suppresses the immune system, resulting in slower wound and acne healing.
- Chronic stress can cause acanthosis nigricans—dark, velvety skin patches, especially around the neck, armpits, and groin, due to insulin resistance.
- Stress-induced cortisol spikes may trigger or worsen acne, with monomorphic steroid acne presenting similarly sized bumps on face, chest, and back.
- Sudden, severe skin changes may suggest medical conditions like cortisol-producing tumors and should be evaluated.
- Chronic stress can cause dull, pale skin, uneven tone, and prominent under-eye circles by reducing blood flow and ceramide production.
- Weakened skin barrier leads to increased water loss, resulting in dehydrated and dull-appearing skin.
- Stress and immunosuppression increase frequency of skin infections, including bacterial (folliculitis), fungal (athlete’s foot, jock itch, thrush), and viral (cold sores, shingles).
- Stress often triggers flare-ups of chronic skin conditions such as eczema, psoriasis, acne, and rosacea, as well as hair loss disorders.
Recommendations / Advice
- Manage stress as an integral part of maintaining and treating skin health.
- Seek evaluation for abrupt or unusual skin changes to rule out underlying medical issues.
- Recognize that stress management complements topical skincare in preventing and treating flare-ups.
- Stay alert to new or worsening skin conditions as indicators to assess lifestyle stressors.