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Aging skin


What's In Your Sunscreen, Part3: Are Sunscreens Endocrine Disruptors?
Introduction In a 2020 FDA-backed trial, six widely used sunscreen active ingredients— avobenzone, oxybenzone, octocrylene, homosalate,...
Ryan M. Trowbridge, MD, MS, MA
Apr 6, 202514 min read


What's in Your Sunscreen, Part 2: Major Sunscreen Ingredients, FDA Approved or Toxic Substances?
Sunscreen has long been a cornerstone of public health recommendations for preventing sunburn, premature skin aging, and skin cancer. In...
Ryan M. Trowbridge, MD, MS, MA
Mar 29, 20254 min read


What’s in Your Sunscreen, Part 1: The Most Common UV Filters
As spring approaches and you start stocking up on sunscreen, you're likely to encounter a familiar lineup of ingredients on the back of...
Ryan M. Trowbridge, MD, MS, MA
Mar 29, 20255 min read


Why Minnesota Burns: Melanoma Risk Beyond Latitude
Latitude isn't destiny, but sunburns and excessive sun exposure could be.
Ryan M. Trowbridge, MD, MS, MA
Mar 23, 20253 min read
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