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

Dermatologist’s
Insights – Sun Protection and Repair

Top Articles

Astaxanthin: Nature's Powerhouse Antioxidant for Skin Health
James Rangihika James Rangihika

Astaxanthin: Nature's Powerhouse Antioxidant for Skin Health

Did you know that astaxanthin, the vibrant red pigment giving salmon its signature color, is nature's most potent antioxidant—up to 6,000 times stronger than vitamin C at neutralizing free radicals? Or that this marine-derived wonder, produced by tiny algae under stress, can help your skin bounce back from daily assaults like sun exposure, pollution, and aging?…

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5 Things to Look Out For With Cheap Sunscreens</span>
James Rangihika James Rangihika

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…

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Dr. Mark Gray's Vision for Suncare Innovation
James Rangihika James Rangihika

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…

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The Hidden Dangers of Sun Exposure: A Dermatologist's Wake-Up Call
James Rangihika James Rangihika

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…

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Micronized vs. Nanonized Mineral Sunscreens: Navigating Safety and Efficacy
James Rangihika James Rangihika

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…

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Surviving Skin Cancer: Lessons from Real-World Evidence
James Rangihika James Rangihika

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…

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Shocking Stats: Why Sunscreen Isn't Optional in a Warming World
James Rangihika James Rangihika

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…

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Myth Busting: The Truth About “Safe” Tanning and Its Hidden Costs
James Rangihika James Rangihika

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…

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