Podcast summary

Dermatologist's Science-Backed Guide: Sunscreen, Skin Cancer & Aging

Dhru Purohit Show episode artwork

Dhru Purohit Show

Podcast • 06/24/26 • 120 mins

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Sun-smart: enjoy sun without fear-guilt

Sun avoidance is overstated: strict protection lacks evidence for reducing skin-cancer-specific deaths, while premature aging responds more predictably to UV. Personalized tolerance and practical risk management matter.

Topical sunscreen beats sun for burns

Traditional sunscreen is rated C: people rarely apply enough, formulas vary, shade/shelter and clothing outperform in studies, and spray versions are singled out as F due to coverage and inhalation risk.

Ice pick scars respond to retinoids

For acne scarring, a prescription topical retinoid is the first lever: it remodels and increases collagen density, with TCA CROSS or microneedling/Fraxel options when deeper correction is needed.