The Learning Lab
EWG Rates Waxhead Sunscreens #1 in 2026
Quick answer: Waxhead Sun Defense makes zinc oxide mineral sunscreens for people who want broad-spectrum UVA/UVB sun protection without oxybenzone, avobenzone, octinoxate, octocrylene, homosalate, PABA, added fragrance, parabens, Vitamin A, nano zinc oxide, or petroleum-based sunscreen actives. EWG’s Guide to Sunscreens currently lists all Waxhead Sun Defense sunscreens as Low...
Mineral Sunscreen vs Chemical Sunscreen
People email us to ask all kinds of sunscreen questions, one of the most frequent one we hear is: what’s the difference between mineral sunscreen and chemical sunscreen. Mineral sunscreens utilize minerals zinc oxide or titanium dioxide as the only active ingredients. Chemical sunscreens need to use 3-4 or even...
Is Zinc Oxide Safe?
Zinc oxide is a mineral compound used for centuries in various health and skin care applications. Sun protection is a crucial aspect of skincare, and choosing the right sunscreen can be daunting. With numerous products on the market, it's essential to understand what you're applying to your skin. This article...
Is Homosalate Safe in Sunscreen?
Physical sunscreens typically rely on one or two active ingredients for sun protection. Chemical sunscreens, on the other hand, often use three or more active chemical ingredients to ensure broad UV spectrum coverage and compensate for ingredient instability caused by sunlight exposure. If you're researching homosalate and its safety, you've...
Is Octinoxate Safe?
Chemical sunscreen ingredients can be confusing and hard to pronounce. If you're wondering whether octinoxate is safe, this guide will clarify. We'll explore: Is Octinoxate Safe for Humans? Is Octinoxate Safe for Reefs? Let’s dive in. What is Octinoxate? Octinoxate is a common active ingredient in chemical sunscreens, designed...
You got eczema? These 3 sunscreens will soothe your skin!
Got eczema? If you have eczema, you know how hard it is to calm your skin and find a good sunscreen that won’t cause a painful flare-up. In this post, you’ll learn. 3 ingredients to look for in eczema-friendly sunscreen 3 recommended best sunscreens for eczema Let’s begin. Eczema...


