Sunstar Review, Is Sunstar Non-Toxic?
Sunstar averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Sunstar products graded as of October 2026, and all 4 reach its 70 point pass mark.
Sunstar grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
Aqua Pure
3M Aqua-Pure AP802B Whole House Filter Housing
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product. See all of them.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product. See all of them.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product. See all of them.
Worth buying from Sunstar Good or better, best-graded first
Sunstar
GUM · Hilo dental sunstar 1pz
- chewing gum base, natural/synthetic polymers, gum arabic, xylitol
- We found no PFAS statement from the brand
- Starting grade for this product type
Sunstar
Butler Gum EasyThread Floss, Sample Pack, 100/Pk, 3200PQ
- nylon dental floss, uncoated or standard coating
- We found no PFAS statement from the brand
- Fragrance allergens (if flavored variant), This product line includes unflavored and flavored variants. If…
2 hazards checked on this product. See all of them.
Sunstar
Gum Expanding Floss-30m
- Nylon dental floss
- We found no PFAS statement from the brand
- Fragrance allergens and irritants, Some dental floss products include flavoring or fragrance (mint…
2 hazards checked on this product. See all of them.
Sunstar
GUM Floss
- nylon multifilament floss
- We found no PFAS statement from the brand
- Fragrance allergens, Some GUM Floss variants are flavored (mint, cinnamon) with synthetic or natural flavor…
Sunstar and PFAS, common questions
- Does Sunstar have PFAS?
- Sunstar averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Sunstar products graded as of October 2026, and all 4 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Sunstar non-toxic?
- GUM · Hilo dental sunstar 1pz is the highest-graded Sunstar product we have scored, at 75/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Sunstar products are lower concern for PFAS?
- The highest-graded Sunstar products we have scored are GUM · Hilo dental sunstar 1pz, Sunstar Butler Gum EasyThread Floss, Sample Pack, 100/Pk, 3200PQ, Sunstar Gum Expanding Floss-30m. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →