The Learning Lab
What Is Bemotrizinol? Tinosorb?
Short Answer Summary Bemotrizinol, often marketed under the name Tinosorb, is a modern chemical sunscreen ingredient used widely in Europe and Asia. It absorbs UV radiation and converts it to heat. It is more photostable than older chemical filters, but it is still petroleum-derived, still chemically active on skin,...
Non-Comedogenic SPF Guide: Clear Skin, Zinc Oxide Sunscreen
Your family deserves sunscreen that protects without causing breakouts or irritation. If you’ve ever applied sunscreen and ended up with clogged pores, greasy skin, or a breakout the next morning, you know the frustration. The sunscreen aisle is a gamble for many families: protect your skin from sun damage, or...
7 Reasons Sunscreen Stings Eyes. And How to Avoid It.
Picture this: you're getting ready for a beautiful day at the park with your family. You dutifully apply sunscreen to everyone's faces, and within minutes, your toddler is rubbing their eyes and crying. Sound familiar? You're not alone if you've ever dealt with sunscreen eye irritation during family outdoor adventures....
Can I Use Zinc Oxide Sunscreen on My Face?
If you've been wondering whether zinc oxide sunscreen is safe for your face, you're asking the right question. The short answer? Absolutely yes, and it might just be the best choice you can make for your facial skin. Let me share something that might surprise you: zinc oxide has been...
The 5 Most-Asked Sunscreen Questions
We rounded up the top 5 sunscreen questions people ask Alexa, Siri, and Google—and answered them with clarity, science, and zero marketing fluff. TL;DR Zinc oxide is the safest active sunscreen ingredient for babies, sensitive skin, and marine ecosystems. Tinted zinc oxide formulas minimize white cast without using harmful nanoparticles....
Sunscreen Myths Debunked: Separating Fact from Fiction
Do you actually know what's in your sunscreen? Is it protecting you—or harming you? We've all been told to wear sunscreen. But much of what people believe about sunscreen is based on marketing hype, outdated science, or flat-out fiction. This guide will debunk the most common myths, explain why non-nano...

