Sunbum · Sunscreen
Sun Bum Mineral Sunscreen Lotion SPF 50
Lower-concern choice; mineral sunscreens avoid PFAS-prone waterproofing chemistries.
Sun Bum Mineral SPF 50 uses zinc oxide/titanium dioxide, which are inherently lower-PFAS-risk ingredients compared to chemical sunscreens that often require water-repellent coating coatings.
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Mineral sunscreen (zinc oxide/titanium dioxide base)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Sun Bum Mineral Sunscreen uses zinc oxide and titanium dioxide as active UV filters, which sit on skin rather than absorb into it. This formulation avoids the synthetic organic UV absorbers (oxybenzone, avobenzone) found in chemical sunscreens, which carry endocrine concerns and are linked to PFAS-prone waterproofing additives. The mineral base is photostable and non-irritating for most users, though the white cast and potential grittiness are cosmetic trade-offs, not safety issues.
The brand's record and disclosure
Sun Bum does not publish detailed ingredient transparency reports or third-party certifications (e.g., EWG Verified, Reef Safe seals) that would signal independent safety vetting. No major recalls or regulatory actions on record for this product line. The brand has not publicly committed to PFAS avoidance, though the mineral-only formula naturally avoids the worst PFAS sources. Limited disclosure of fragrance components or potential allergens on public materials.
How it compares in its category
Mineral sunscreens are generally considered lower-risk than chemical alternatives for PFAS and endocrine disruption, though they lag in cosmetic elegance (thickness, white residue). Sun Bum's offering is mid-tier in terms of transparency; premium brands like Blue Lizard or EWG-listed options provide more detailed allergen and fragrance disclosure. Reef-safe certifications are absent, which may matter if use near sensitive ecosystems is a concern.
If you buy it
Apply generously (about 1/4 teaspoon for face) 15 minutes before sun exposure and reapply every 2 hours or after swimming. Store below 25°C in a cool, dry place to prevent active ingredient degradation. Discontinue if rash or irritation appears; mineral sunscreens can cause contact dermatitis in sensitive individuals. Do not rely on it alone for sun protection; use with clothing and shade, especially for extended outdoor periods.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Fragrance allergens (undisclosed components)
Sun Bum lists 'fragrance' in the formula but does not publicly disclose specific fragrance compounds. Fragrance is a common sunscreen allergen source; individuals with fragrance sensitivity or compromised skin barriers may experience contact dermatitis.
Heavy metals in pigments (titanium dioxide purity)
Titanium dioxide used in sunscreens is cosmetic-grade and regulated under FDA rules; no public recalls or contamination reports for Sun Bum specifically. Minor trace metals are possible but well below safety thresholds in approved products.
Talc contamination in mineral formulas
Sun Bum Mineral Sunscreen does not list talc as an ingredient, so this is not a concern for this specific product. Some mineral sunscreens use talc as a filler; this brand avoids it.
Preservative or formaldehyde releasers
Sunscreen lotions require preservatives to prevent bacterial and fungal growth. Sun Bum does not disclose preservative type on widely available public materials; formaldehyde-releasing agents are used in some products but no specific issue is documented for this brand.
Skin irritation from zinc oxide or titanium dioxide at high concentrations
Mineral actives are inert but can cause irritation, dryness, or rash in individuals with very sensitive skin or eczema-prone conditions. Individual tolerance varies; patch testing on a small area first is prudent for first-time users.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Sunscreen
Goddess Garden
Natural Sunscreen SPF 30 6 oz
mineral-based UV filters, plant-derived waxes
Lower-concern mineral sunscreen with credible PFAS-exclusion certification.
✓Verified PFAS-free by a third party
Raw Elements
Eco Formula SPF 30 Sunscreen
mineral sunscreen (zinc oxide, titanium dioxide)
Lower PFAS concern; mineral sunscreen with third-party verification and no known fluorochemical history.
✓Verified PFAS-free by a third party
Raw Elements
Face & Body Sunscreen Tin SPF 30
mineral sunscreen (zinc oxide/titanium dioxide), tin packaging
Lower-concern choice; mineral sunscreen + explicit PFAS-free positioning + third-party certs reduce risk.
✓Verified PFAS-free by a third party
More sunscreen grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.