Dermatology Insights on Sun Protection and Repair
Delve into the science of skin health, offering dermatologist insights on protecting and repairing your skin from UV damage. Through a blend of evidence-based facts and practical advice, these articles explore topics like the hidden risks of everyday sun exposure, debunking tanning myths, the impact of climate change on skin, and personalized suncare strategies.
Dr. Gray’s
Dr. Mark Gray
Dermatologist & Founder
MBChB, FRACP, FRCPC, FRCPA, ABPath, ABDermpath, FRSpecialist Dermatologist , Specialist Pathologist , Specialist Dermatopathologist , Cosmetic Surgeon, Mohs Surgeon.
Suncare Explained
Dermatology Insights on Sun Protection and Repair
Dermatologist insights on protecting and repairing your skin from UV damage.
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…
From Burn to Beauty: Reversing Sun Damage with Science
Reversal involves boosting repair pathways—retinoids accelerate cell turnover 20-30% (Journal of Cosmetic Dermatology). Combined with protection, outcomes improve dramatically…
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 Indoor Sun Trap: Why Your Office Window Is a Skin Saboteur
Indoor UV is a sneaky foe—standard glass blocks UVB but lets 50-75% UVA through (Journal of Investigative Dermatology). A study of 84 office workers found those near windows had 170% more skin damage on exposed sides…
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…
Myth Busting: The Truth About “Safe” Tanning and Its Hidden Costs
The "healthy tan" myth persists, but evidence debunks it. Tanning is skin's distress response to UV injury, producing melanin as a shield – but it's inefficient, blocking only 50-70% of rays (British Journal of Dermatology). A large-scale study of 30,000 Swedes found tanners had 50% higher melanoma risk…