By Devin Jaramillo Marquez, Master Esthetician at Shop Good
Here's something that surprises almost every client I say it to: the sunscreen aisle is one of the least regulated corners of your routine. The FDA has restricted only a handful of cosmetic ingredients, and several of the most common chemical UV filters are still being studied for how much of them ends up in your bloodstream. Meanwhile, sunscreen is the one product we tell you to wear every single day, head to toe, for life.
So the mineral vs. chemical question isn't beauty-industry noise. It's worth five minutes of your attention. Here's the honest breakdown — including a myth about mineral SPF that even skincare enthusiasts get wrong.
How the Two Actually Work
Chemical sunscreens use synthetic UV filters — ingredients like avobenzone, oxybenzone, octinoxate, and homosalate — that absorb into the upper layers of your skin, soak up UV radiation, and convert it into heat.
Mineral sunscreens (also called physical sunscreens) use zinc oxide or titanium dioxide, which sit on top of the skin and absorb and deflect UV rays before they penetrate.
Quick myth-bust, because I promised: mineral SPF is often described as a "mirror" that bounces UV off your skin. In reality, zinc oxide absorbs most UV radiation too — it just does it from the skin's surface rather than within it, and without the filter degrading the way some chemical actives do. It's still the more stable, gentler mechanism. It's just not magic glitter armor, and an esthetician should tell you the truth.
Why Clean Beauty Chooses Mineral
The absorption question. Chemical filters don't stay put. FDA testing has found that several common chemical UV filters absorb into the bloodstream at levels high enough to warrant further safety research — research that's still ongoing. That doesn't mean chemical sunscreen is proven harmful. It means the long-term data isn't settled, and at Shop Good we don't make our clients the test group. Oxybenzone sits permanently on our never-ever ingredient list, alongside parabens, phthalates, and artificial fragrance.
Sensitive skin behaves better. Because chemical filters convert UV to heat within the skin, they can aggravate redness, rosacea, melasma, and reactive skin. Zinc oxide is so gentle it's the active ingredient in diaper cream. If your skin flushes, stings, or breaks out from sunscreen, the formula — not the SPF habit — is usually the problem.
Zinc oxide is naturally broad-spectrum. One ingredient covers both UVA (aging, pigmentation) and UVB (burning) on its own. Many chemical formulas need a cocktail of filters to achieve the same coverage.
Reefs and waterways. Oxybenzone and octinoxate are banned in Hawaii and other coastal regions over their link to coral reef damage. For those of us who live our lives near the ocean, that matters.
"But Mineral Sunscreen Makes Me Look Like a Ghost"
This was true — a decade ago. The white cast complaint is the number one reason people abandon mineral SPF, and the formulas have genuinely evolved past it. Modern clean brands use micronized zinc, sheer emulsions, and tinted versions that melt into a wide range of skin tones. Some of the best now double as skincare: squalane, niacinamide, and antioxidants built into the formula, so your SPF layer is also a treatment layer.
This is exactly what we curate for at Shop Good — every mineral sunscreen on our shelves has been vetted ingredient-by-ingredient against EWG data and then tested on our own team's very real, very varied skin. If it leaves a cast, performs poorly under makeup, or pills over moisturizer, it doesn't make it in. Botnia Gentle Suncream, The Outset Hydrasheer, Solara Clean Freak Body Sunsreen
How to Choose (and Actually Use) Your Mineral SPF
- Look for zinc oxide at 15–25% on the ingredient label for reliable broad-spectrum protection
- SPF 30 minimum for daily wear; SPF 40–50 for beach days, hikes, and long drives
- Tinted formulas solve the white cast and add an extra layer of visible-light protection — especially helpful if you're managing melasma or dark spots
- Use enough. Two finger-lengths of product for face and neck. Most people apply a third of what they need
- Reapply every two hours in direct sun. Yes, really. A powder or mist mineral SPF makes midday touch-ups painless.
And if you're dealing with sun damage that's already happened — pigmentation, texture, dullness — that's treatable. It's some of the most satisfying work we do in the treatment room. Book a facial
The Bottom Line
Both mineral and chemical sunscreens beat no sunscreen. But if you're going to wear something on your face every day for the rest of your life, it should be the option with the most stable safety record, the gentlest mechanism, and zero ingredients from the watch list. That's mineral — and the modern formulas finally feel as good as they perform.
Shop clean mineral SPF at Shop Good
Every formula on our shelves has already passed the vetting most brands hope you'll never do.
FAQ
Is mineral sunscreen better than chemical sunscreen? For sensitive skin, daily use, and ingredient peace of mind, mineral has the edge: zinc oxide is broad-spectrum, photostable, and non-irritating. Chemical formulas can feel lighter but rely on filters still under FDA safety review.
Does mineral sunscreen leave a white cast? Older formulas did. Modern clean mineral sunscreens use micronized zinc and tinted, sheer formulations that work across skin tones.
What ingredients should I avoid in sunscreen? Oxybenzone and octinoxate are the two most flagged — for both skin absorption concerns and coral reef damage. Neither is allowed in any product Shop Good carries.