The Learning Lab

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...

How to Train for a 5K Without Wrecking Your Skin
(A Guide for Runners Who Care About Health From Head to Toe) Training for your first 5K is a big step—congrats! Whether aiming for a fun run, a fundraising race, or a personal milestone, starting a running habit is a great way to build endurance, boost mood, and get outside...

Ancient Sunscreen is Similar to Today's Zinc Oxide Sunscreen
What if your sun defense routine isn't a modern invention but a return to a tradition that helped our ancestors outlive other human species? That's precisely what emerging archaeological and geophysical science suggests. Long before SPF ratings, chemical sunscreens, or dermatology, Homo sapiens were already solving the sun problem. They...

Preschool Sun Safety: Why Zinc Oxide Sunscreen is the Best Choice for Kids
Sun Protection: A Daily Essential for Preschoolers Like handwashing and hydration, sun protection should be a non-negotiable part of a preschooler's daily routine. Young children have delicate, developing skin that is especially vulnerable to the sun's harsh ultraviolet (UV) rays. Daily sun exposure—even during short recess periods—can lead to long-term...