Smartwatch showing a UV Index of 9 against snow-capped Idaho mountains on a clear day

What Is the UV Index? How a Dermatologist Uses It to Plan the Day

The UV index tells you exactly when your skin needs protection. A Mohs surgeon explains how to read it, why elevation matters, and how he uses it to plan his own day.
Read more
Tanning Beds and Base Tans: What a Dermatologist Wants You to Know

Tanning Beds and Base Tans: What a Dermatologist Wants You to Know

Tanning beds are a Group 1 carcinogen, and a base tan is roughly SPF 3. Before your winter trip, a Mohs surgeon explains what tanning actually does to your skin.
Read more
Sunscreen Myths: What a Dermatologist Hears Every Day (and What Is Actually True)

Sunscreen Myths: What a Dermatologist Hears Every Day (and What Is Actually True)

Is sunscreen toxic? Do you need it when it's cloudy? Will it leave you low on vitamin D? A Mohs surgeon answers the sunscreen myths patients bring into his exam room.
Read more
How to Check Your Skin After Summer: A Mohs Surgeon's Step-by-Step Self-Exam

How to Check Your Skin After Summer: A Mohs Surgeon's Step-by-Step Self-Exam

The ABCDE rule was built to catch melanoma. It misses the two most common skin cancers entirely. A Mohs surgeon explains what to look for after a summer outdoors.
Read more
Close-up of facial skin healing after a laser resurfacing treatment

Sunscreen After Laser, IPL, and Retinol: What a Dermatologist Tells Patients

Laser and IPL work by injuring your skin on purpose. Sun exposure during the healing window can undo the treatment and leave pigment that takes months to fade. Here is what to use and when.
Read more
Meet the Dermatologist: Why Sunscreen Is the Most Powerful Anti-Aging Tool You Have

Meet the Dermatologist: Why Sunscreen Is the Most Powerful Anti-Aging Tool You Have

He has spent 20 years removing skin cancer and watching what decades of sun exposure actually do to skin. Here is what he wants every patient to know before it is too late.
Read more