Dermatology Insights on
Sun Protection and Repair
Dr. Gray’s
Dr. Mark Gray
Dermatologist & Founder
MBChB, FRACP, FRCPC, FRCPA, ABPath, ABDermpath, FRSpecialist Dermatologist , Specialist Pathologist , Specialist Dermatopathologist , Cosmetic Surgeon, Mohs Surgeon.
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Dr. Mark Gray's Vision for Suncare Innovation
In a world where skin cancer affects millions, one visionary dermatologist has turned decades of expertise into a breakthrough: a clean, non-toxic mineral sunscreen that protects, repairs, and revitalizes. Meet the science-backed shield born from relentless innovation…
8 Best Sunscreens for Sensitive Skin – Dermatologist Tested
In this roundup, I've selected standout sunscreens for sensitive skin, prioritizing fragrance-free, non-comedogenic picks with calming ingredients like zinc oxide, ceramides, and antioxidants. These range from drugstore deals to high-end dermatologist-grade…
The Hidden Dangers of Sun Exposure: A Dermatologist's Wake-Up Call
In my 25 years as a dermatologist, I've witnessed the subtle yet devastating impact of sun exposure on skin health. What many dismiss as a harmless tan or freckle is often the early sign of cumulative UV damage. Ultraviolet radiation, particularly UVA and UVB rays, penetrates the skin, triggering a cascade of cellular changes that accelerate aging and increase cancer risk…
Micronized vs. Nanonized Mineral Sunscreens: Navigating Safety and Efficacy
Mineral sunscreens, using zinc oxide or titanium dioxide, have revolutionized suncare by providing physical barriers that reflect UV rays rather than absorbing them like chemicals. The key to their usability lies in particle size, but nanonized particles (nano <100 nm) raise concerns. Alarming stat…
5 Things to Look Out For With Cheap Sunscreens
From founding New Zealand's largest skin cancer clinic chain, the Skin Institute, to pioneering MoleMap with over 100 clinics worldwide, my career has been dedicated to prevention. Sunscreen is a cornerstone of that effort – but not all sunscreens are created equal. In today's market, cheap options flood shelves and online stores, promising protection at a bargain price. While affordability is appealing, these products often cut corners on quality, safety, and efficacy…
Surviving Skin Cancer: Lessons from Real-World Evidence
Skin cancer isn't just a statisti – it's a reality shaped by cumulative sun exposure, as evidenced by global epidemiology. The World Health Organization reports over 1.5 million new cases annually, with melanoma rates climbing 3% yearly in sunny regions…
The Silent Epidemic: How Everyday Sun Exposure Accelerates Aging
Sun exposure is often romanticized as a source of vitality, but the science tells a different story. In my dermatology practice, I've observed that even brief daily UV exposure – such as a 20-minute walk to work…
Shocking Stats: Why Sunscreen Isn't Optional in a Warming World
Climate change is amplifying UV threats, turning sunscreen from luxury to necessity. The IPCC reports UV levels rising 2-6% per decade due to ozone thinning, with hotter temperatures increasing skin cancer risks by 4-6% per degree Celsius. In regions like California…