The Learning Lab

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 But much of what people believe about sunscreen is based on marketing hype, outdated science, or flat-out fiction.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...

How to Apply Sunscreen Correctly
"Do I really need to reapply every two hours? Should I put it on under makeup? Is a little bit enough if I'm just running errands?" These are the kinds of questions dermatologists hear daily—and for good reason. Most people aren't applying sunscreen correctly, leaving their skin exposed to UVA...

How Much Sunscreen to Apply on Face vs Body?
How much sunscreen is enough?What’s the right amount for your face?Is more always better—or is there such a thing as too much? Let’s face it: most people apply sunscreen wrong. They use too little, overlook key areas, or trust chemical formulas that break down quickly, leaving them vulnerable. In this...

SPF 30 vs SPF 50: Which Protection Level Do You Really Need?
Are you standing in the sunscreen aisle wondering, "Is SPF 50 really better than SPF 30? Or am I just paying more for a number?" You're not alone. We often get this question. Let's break it down simply and truthfully. How Much More Protection Does SPF 50 Offer Than SPF...

The Real Reason You're Still Getting Sun Spots
The Problem: You're Using Sunscreen But Still Getting Dark Spots If you're faithfully applying sunscreen but still seeing dark spots or melasma creep across your cheeks, forehead, or upper lip, you're not alone—and you're not imagining it. Sunspots, hyperpigmentation, and melasma are notoriously persistent, especially for people with medium to...