The Complete Low-Tox Sunscreen Guide

What to look for, what to avoid, and the brands that actually pass — for your whole family, your kids, and your face.

So excited to team up with Dr. Joel Gator on this sunscreen guide; if you are from his community: welcome! Dr Joel and I have known each other for many years and share a similar passion especially towards children’s health. Hoping this guide makes summer a little easier and less stressful!

Why I wrote this guide

Sunscreen season is one of the most stressful shopping experiences for parents trying to make lower-toxicity choices. The shelves are full of products claiming to be clean, mineral, baby-safe, and EWG Verified — and yet when you dig into the ingredient lists, many contain chemicals that raise real concerns for human health and the environment.

I spent significant time cross-referencing ingredient safety research, FDA classifications, EU regulatory decisions, EWG data, and independent lab testing to build one clear, up-to-date resource. This guide covers what the science actually says about sunscreen ingredients, which brands meet a strict ingredient standard, and which popular products — even well-marketed ones — don’t make the cut.

Shoutout to Dr Joel Gator for joining forces with me on this post to make sure we get this important info out and make YOUR lives a little easier and lower tax this summer!

Why most sunscreens are worth a second look

In the US, sunscreen is regulated as an over-the-counter drug by the FDA. Until June 2026, out of 16 active sunscreen ingredients reviewed, the FDA has determined that only two — zinc oxide and titanium dioxide — are ‘generally recognized as safe and effective’ (GRASE). Every other chemical UV filter currently used in American sunscreens, including avobenzone, oxybenzone, homosalate, octinoxate, and octisalate, is still awaiting further safety data before it can receive that designation. This changed a week ago : now in addition to zinc oxide and titanium dioxide, ONE chemical filter called bemotrizinol has also been approved to use safely in the US however: consumers in the United States can expect new products featuring bemotrizinol by the end of 2026, with broader availability to follow.  Although it was just approved, it wont be legally usable until August 2026. Worth boting: European sunscreens have used it for over 20 years, so European formulas with bemotrizinol do exist…

Research from Europe adds to the concern: 63% of ingredients in the most popular European sunscreens are classified as dangerous for human health and/or the environment. The issues are not theoretical:

• Hormone-disrupting UV filters have been detected in blood, urine, and breast milk after a single day of standard sunscreen application.

• Certain chemical UV filters have been linked to decreased birth weight and to Hirschsprung’s disease, a digestive birth defect.

• Oxybenzone is one of the most-studied concerns — readily absorbed through skin, linked to endocrine disruption, and banned in Hawaiian waters due to aquatic toxicity.

• Octinoxate (also listed as octyl methoxycinnamate or ethylhexyl methoxycinnamate) has been linked to endocrine disruption in numerous animal studies and is also banned in Hawaii.

• In 2021, 78 out of 294 sunscreens tested positive for benzene — a known carcinogen linked to leukemia. The highest contamination levels were almost always found in aerosol spray formulations.

Ingredients to avoid

Before buying any sunscreen, scan the label for the following. If you see them, put it back.

Chemical UV filters (active ingredients)

• Oxybenzone (benzophenone-3): linked to endocrine disruption, aquatic toxicity, detected in blood and breast milk.

• Avobenzone: endocrine disruption concerns, aquatic toxicity. Degrades rapidly without stabilizers.

• Octinoxate / Octyl methoxycinnamate (OMC) / Ethylhexyl methoxycinnamate: endocrine disruption, reproductive toxicity in animal studies. Banned in Hawaii since 2021.

• Homosalate: EU concern for reproductive and developmental toxicity. The EU considered restricting it from 10% down to 1.4%.

• Octisalate (ethylhexyl salicylate): part of the salicylate class flagged as potential reproductive toxicants by the EU.

• Octocrylene: absorbs into skin; increasing allergy reports; aquatic toxicity concerns.

Inactive ingredients to watch for

• Butyloctyl salicylate: the sneaky one. A salicylate ester used as a texture enhancer in the inactive ingredients list — meaning many people miss it entirely. The EU has flagged the salicylate class as potential reproductive and developmental toxicants, and the concern applies class-wide regardless of which product list the ingredient sits on. It is extremely common in premium ‘clean’ mineral sunscreens. More on this below.

• Phenoxyethanol: a preservative with endocrine disruption concerns and marine toxicity. Notably allowed in EWG Verified products with exceptions, but banned outright under COSMOS Organic and MADE SAFE certification.

• Fragrance / parfum: synthetic or any undisclosed fragrance can contain allergens, hormone disruptors, and carcinogens. Even ‘natural fragrance’ warrants a flag unless every component is fully disclosed.

Application format

• Aerosol spray sunscreens: widely contaminated with benzene from propellant chemistry. Also pose an inhalation risk, especially for children. This contamination does not appear on ingredient labels — it is a manufacturing byproduct. Avoiding the format entirely is the only reliable protection.

A closer look at butyloctyl salicylate

This ingredient deserves its own section because it catches even careful shoppers off guard — and it’s in far more ‘clean’ sunscreens than most people realize.

What it is: Butyloctyl salicylate is a salicylic acid ester used as an emollient and texture enhancer. Its function in sunscreen is usually to make the formula feel silkier, lighter, and less white-casting. It is listed in the inactive ingredients — not the active ingredients — which is precisely why most people miss it.

Why it’s a concern: The EU Scientific Committee on Consumer Safety has flagged the entire salicylate class as potential reproductive and developmental toxicants. The concern is class-wide: salicylates are dermally absorbed (around 10% of applied salicylates can remain in or penetrate skin), and cumulative exposure across multiple salicylate-containing products adds up. Critically, as of mid-2025, no safe concentration limit has been established for butyloctyl salicylate in the EU. The European Commission only issued its call for data on salicylic acid esters in July 2024, meaning the SCCS formal safety assessment for butyloctyl salicylate specifically has not even been mandated yet, let alone completed. The absence of a limit is not a safety clearance — it reflects a regulatory gap, not confirmed safety…. Because of this I choose to err on the side of caution and only recommend sunscreens without this ingredient- especially for pregnant women and young children using it daily.

Why it’s so common: It solves a real formulation problem. Mineral sunscreens can feel heavy, chalky, or leave a white cast. Butyloctyl salicylate fixes all of that — which is why so many brands reach for it, including several that otherwise have clean credentials.

How to spot it: Look in the inactive ingredients section. It will be listed as ‘butyloctyl salicylate’ in full. Related compounds in the same class: tridecyl salicylate, ethyl ferulate, and ethylhexyl salicylate.

Our position on butyloctyl salicylate

We exclude any sunscreen containing butyloctyl salicylate from our approved list.

The precautionary case is strongest for daily users, children, and pregnant people.

Elegant mineral formulas without it now exist — there is no reason to accept the uncertainty. The exclusion of sunblocks with this ingredient is one of the main differences between this guide and many you will see published!

What to look for

Keep it simple. The best mineral sunscreens have short ingredient lists with recognizable ingredients.

The 3LP standard — what we require to recommend a sunscreen

✓ Active ingredient: zinc oxide (and/or titanium dioxide as secondary) — no chemical UV filters

✓ Non-nano zinc oxide preferred

✓ No butyloctyl salicylate or other salicylate texture enhancers

✓ No phenoxyethanol

✓ No synthetic fragrance; any natural fragrance fully disclosed

✓ Lotion, cream, or stick format (or verified non-aerosol pump spray)

A note on infants and young children

For babies under 6 months, the guidance from the FDA, AAP, and dermatology bodies is clear: no sunscreen. Infants this age should be kept out of direct sun entirely, protected with clothing, hats, and shade instead.

For children over 6 months, the case for choosing the cleanest possible formula is even stronger than for adults. Children’s skin is thinner and more permeable, meaning ingredients penetrate more easily. The margin for error is smaller — every ingredient decision matters more.

For babies and young children

• Under 6 months: no sunscreen — cover up completely and seek shade

• Avoid peak sun hours: 10am–2pm whenever possible

• Choose mineral-only, fragrance-free, phenoxyethanol-free, salicylate-free

• Lotion or stick only — never aerosol spray around children

• Apply generously and reapply every 2 hours, immediately after swimming or sweating

Spray sunscreens — the important distinction

We understand why parents want sprays. Getting a toddler to stand still for lotion is genuinely hard, and for children with sensory sensitivities, the feel of lotion being rubbed in can be overwhelming. A sunscreen that gets applied is always better than one that does not.

But not all sprays are equal. Here is the distinction that matters:

• Aerosol sprays — avoid completely: These use pressurized propellant gases. The benzene contamination that has been widely found in sunscreens enters the product through propellant chemistry or manufacturing — it does not appear on ingredient labels and cannot be screened at home. The only protection is avoiding the format. The 2021 testing found concerningly high benzene in 78 of 294 products, and the highest levels were almost exclusively in aerosols.

• Non-aerosol pump sprays — acceptable with care: These use a simple pump mechanism with no pressurized propellant. The benzene risk is sidestepped. Still rub in thoroughly after applying — mineral pump sprays require it to achieve proper SPF coverage.

Approved non-aerosol pump spray picks

These two pass our full ingredient standard in pump spray format. Note: the Thinksport All Sheer Spray was previously on this list but has been removed — it contains butyloctyl salicylate as its second ingredient. Thinksport lotions and sticks do not contain it and remain approved.

• Raw Elements SPF 50 Face + Body Spray

Non-nano ZnO 9.5% + TiO2 7.2%

Non-aerosol pump. No phenoxyethanol, no salicylates, fragrance-free. Reef-safe. Available at REI. EWG 1.

• Love Sun Body Mineral Spray (fragrance-free SKU)

20%+ non-nano ZnO

COSMOS Natural certified. Non-aerosol pump. No phenoxyethanol, no salicylates. Fragrance-free version only.

Tips for using pump sprays on children

• Never spray directly onto a child’s face — spray onto your hands and apply

• Apply outdoors or in well-ventilated space — avoid inhalation

• You must rub in after spraying — mineral pump sprays do not absorb without rubbing

• Reapply every 2 hours or immediately after swimming or heavy sweating

Our approved low-tox sunscreen picks

Every brand below was evaluated against our full ingredient standard: mineral-only actives, no butyloctyl salicylate, no phenoxyethanol, no synthetic fragrance, no salicylate texture enhancers, lotion/cream/stick format only (or verified non-aerosol spray). We also cross-referenced available independent heavy metals lab data.

RECOMMENDED SUNSCREENS: For the general population / whole family

• Thinksport SPF 50+

20% non-nano ZnO

EWG Verified

Flagship clean pick. Fragrance-free, no phenoxyethanol, no salicylates, 80-min water resistance.

• Sunny Sailor Captain’s Classic Lotion SPF 40

Also avail in stick format

22.5% non-nano ZnO

N/A (small brand)

Only 10 ingredients, all organic or naturally derived. Water-free formula, no preservatives needed. Fragrance-free.

• Badger Active Mineral SPF 30

22.5% ZnO

EWG 1

Organic, fragrance-free, beeswax base. Very short ingredient list.

• Raw Elements SPF 30

25% non-nano ZnO

EWG 1

Tin/compostable packaging, reef-safe, fragrance-free. Great for active outdoor use.

• All Good Sport SPF 30

Non-nano ZnO

EWG 1

Fragrance-free option available, reef-safe, water-resistant.

• Waxhead Zinc Oxide SPF 30

Non-nano ZnO

EWG 1–2

Ultra-minimal formula, no phenoxyethanol, no fragrance.

• Sky & Sol SPF 50

25% non-nano ZnO

EWG 1

Tallow-based, 1o ingredients. Publishes own heavy metals COA.

• MooGoo Clear Zinc SPF 40

ZnO

N/A (AU brand)

No phenoxyethanol, no fragrance, clean beeswax-based formula.

• Love Sun Body SPF 30 / SPF 50 (fragrance-free)

20%+ non-nano ZnO

COSMOS Natural + EWG Verified

First US sunscreen with COSMOS Natural certification. Fragrance-free SKU only.

• Suntegrity SPF 30

20% non-nano ZnO

EWG 1

Explicitly free of phenoxyethanol and butyloctyl salicylate. One of the cleanest formulas overall.

* Thinksport note: The Thinksport lotion and stick (SPF 50+) pass our full criteria and are recommended. The Thinksport All Sheer Spray does not — it contains butyloctyl salicylate as its second inactive ingredient. Always check you have the lotion or stick SKU.

RECOMMENDED SUNSCREENS:

For children (6 months and older)

Important: Thinksport Kids and ThinkBaby are different products. ThinkBaby SPF 50 was flagged by Lead Safe Mama independent lab testing for high lead levels. Thinksport Kids was not — always verify you have the correct SKU at checkout.

• Thinksport Kids SPF 50+

20% non-nano ZnO

EWG Verified

Clean pediatric formula. No fragrance, no parabens, 80-min water resistance.

• thinkkids Clear Zinc SPF 30

ZnO

EWG Verified

Listed directly on EWG’s Verified page for kids.

• Sunny Sailor Captain’s Classic SPF 40 also avail in stick format

22.5% non-nano ZnO

N/A

10-ingredient formula. Fragrance-free, no preservatives, organic base. Founded by parents for families.

• All Good Kids SPF 30+

Non-nano ZnO

EWG 1

Reef-safe, simple formula, no synthetic fragrance or phenoxyethanol.

• Raw Elements Kids SPF 30 also avail in stick format

25% non-nano ZnO

EWG 1

No fragrance, minimal ingredient list. Available in tin and bio-resin tube.

• Badger Kids SPF 40 also avail in stick format and Badger Baby

22.5% ZnO

EWG 1

Fragrance-free version available — verify SKU as some have chamomile scent.

• Waxhead Kids Zinc Oxide

Non-nano ZnO

EWG 1–2

Very minimal formula, no chemical filters, no phenoxyethanol.

• Blue Lizard Baby SPF 50+

ZnO + TiO2

EWG 1

Fragrance-free, pediatrician-recommended, widely available.

• Mustela SPF 50 Mineral Sunscreen Stick

19.7% non-nano ZnO EWG Verified · the spray is not recommended

RECOMMENDED SUNSCREENS: For face

Face sunscreens need to be non-comedogenic, lightweight, and genuinely clean. Suntegrity is the standout overall — explicitly free of both phenoxyethanol and butyloctyl salicylate, which is rare. Blissoma Photonic and Solara Fortune Teller are noteworthy for face-specific skincare actives with no compromises on ingredients. Note: Josh Rosebrook Nutrient Day Cream SPF 30 — despite being widely recommended in the clean beauty community — contains butyloctyl salicylate as its fifth ingredient and does not meet our criteria.

• Suntegrity Face SPF 30 (tinted + untinted)

20% non-nano ZnO

EWG 1

No phenoxyethanol, no butyloctyl salicylate, no fragrance. The cleanest overall face pick.

• Blissoma Photonic SPF 30

13.2% non-nano ZnO

EWG 1

No phenoxyethanol, no salicylates, no silicones, no synthetic fragrance. National Eczema Association certified. Rich botanical base with niacinamide and astaxanthin.

• Solara Fortune Teller SPF 30

22.4% non-nano ZnO

EWG 1

No phenoxyethanol, no salicylates, no silicones, fragrance-free. Vitamin C, hyaluronic acid, licorice root. This SKU only — other Solara products do not pass.

• Cocokind Daily SPF 32

Non-nano ZnO

EWG 1

Zinc-only active, no phenoxyethanol, no salicylates, fragrance-free. This SKU only — Cocokind Silk SPF contains homosalate and does not pass.

• KORA Organics Silky Sun Drops SPF 30

17% non-nano ZnO

COSMOS Organic + EWG Verified

No phenoxyethanol, no salicylates. Contains natural essential oil fragrance (rose, geranium, basil) — skip if fragrance-sensitive.

• Thinksport Face SPF 30

20% non-nano ZnO

EWG Verified

Fragrance-free, non-comedogenic, no phenoxyethanol.

• Badger Face SPF 30

22.5% ZnO

EWG 1

Fragrance-free, antioxidant-rich, EWG 1.

• Sky & Sol SPF 50

25% non-nano ZnO

EWG 1

Ultra-minimal, tallow-based. Suitable for face and body. Tallow sourced in Regenerative pastures

• Mukti Solar Veil SPF 30

22% non-nano ZnO

COSMOS Organic

COSMOS Organic certified. No phenoxyethanol, no fragrance. Australian brand — not direct-ship to US; find via reseller.

• Fancy Farm Power Duo (unscented)

~20% non-nano ZnO

4 ingredients only: tallow, zinc oxide, vitamin C oil, vitamin E. Approx SPF 25–30. Ultra-clean.

A note on EU vs. US regulations

A common question in the non-toxic community is whether European sunscreens are automatically safer than American ones. The answer is nuanced.

The EU bans or restricts a broader list of chemicals in cosmetics generally, which is why EU-formulated skincare often looks cleaner. However, when it comes specifically to sunscreen UV filters, the EU actually allows more chemical filters than the US does — the EU has approved newer filters like Tinosorb S and Tinosorb M that the FDA has not yet greenlit. These may be safer than oxybenzone, but they have not been fully evaluated for long-term systemic exposure either.

Our standard is simple: mineral-only actives (zinc oxide and/or titanium dioxide) in a clean base, regardless of country of origin. A well-formulated US mineral sunscreen is just as valid a choice as a European one when you use that lens.

What certifications actually mean

Certification seals are a useful shortcut — but they are not all equal. Here is the quick version:

Certification comparison

COSMOS Organic — Strictest available. Phenoxyethanol banned outright. All chemical UV filters banned.

Min. 20% organic ingredients required. Annual independent audit.

COSMOS Natural — Phenoxyethanol banned. Chemical UV filters banned. Annual audit.

No organic % requirement (otherwise same rules as Organic).

MADE SAFE — Phenoxyethanol banned. Chemical UV filters banned.

Every ingredient screened against hazard list. US-based certification.

EWG Verified — Chemical UV filters banned. Phenoxyethanol conditionally allowed

(with brand documentation — not a blanket ban). Company self-reports.

The bottom line: EWG Verified is a helpful starting point for eliminating the worst chemical UV filters, but COSMOS and MADE SAFE hold a harder line on preservatives and provide more rigorous independent oversight. For daily face use or products for children, we prefer products carrying COSMOS certification or MADE SAFE where possible.

Quick reference: your sunscreen checklist

Before you buy, confirm:

✓ Active ingredient is zinc oxide (and/or titanium dioxide) only — no chemical UV filters

✓ No oxybenzone, avobenzone, octinoxate, homosalate, or octisalate

✓ No butyloctyl salicylate, tridecyl salicylate, or ethyl ferulate in the inactive ingredients

✓ No phenoxyethanol

✓ No synthetic fragrance; any natural fragrance components fully disclosed

✓ Not an aerosol spray

Sources and further reading

• FDA Sunscreen Proposed Rule (2019, 2021) — fda.gov

• EWG 2025 Annual Sunscreen Guide — ewg.org/sunscreen

• Matta et al. (2020), JAMA — ‘Effect of Sunscreen Application on Plasma Concentration of Sunscreen Active Ingredients’

• SCCS Opinion on Salicylic Acid (SCCS/1675/25, May 2025) — aggregate exposure findings for children

• Lead Safe Mama Sunscreen Chart (2025) — tamararubin.com/2025/06/sunscreen-chart

• Hawaii Reef Act 104 (2021) banning oxybenzone and octinoxate

• CIR Safety Assessment of Salicylic Acid and Salicylates (including butyloctyl salicylate)

• EU Scientific Committee on Consumer Safety opinions on sunscreen UV filters

• EWG Skin Deep Database — ewg.org/skindeep

• COSMOS Standard documentation — cosmos-standard.org

3 Little Plums · nontoxic living for real families · 3littleplums.com

This guide is for informational purposes. Always consult your pediatrician regarding sunscreen use for infants and children with specific health conditions. Ingredient lists and product formulations change — always verify the current label before purchasing.