Ask The Expert: Dermatologist, Professor Caitriona Ryan
Sep 26, 2026 · 11m
Summary
Professor Katrina Ryan joins Pat Kenny to discuss the impact of menopause on skin and hair, explaining how estrogen drops cause a 30% collagen loss, dryness, and hormonal acne. She debunks myths about aging and recommends simple routines featuring zinc sunscreen and retinoids. The conversation also covers managing perioral dermatitis and treating hair thinning with early interventions like minoxidial.
Topics discussed
Sponsor: Apple Maps Ads
Introduction: Skin changes during menopause
Defining perimenopause and early signs
The rapid drop in collagen levels
Visible effects: wrinkles, dryness, and pigmentation
Hormonal acne in perimenopause
Debunking myths about acne and aging
Pre-existing skin conditions and dryness
Essential skincare: sunscreen and retinoids
How to use retinoids safely
Hair thinning and follicle miniaturization
Treatments for hair loss
Psychological impact of hair loss
Perioral dermatitis: causes and triggers
Treating perioral dermatitis
Closing remarks and show credits
Sponsor: McDonald's Big Mac
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