Zest Review, Is Zest Non-Toxic?
Zest averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Zest products graded as of October 2026, and all 5 reach its 70 point pass mark.
Zest 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.
- 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, all on its full breakdown.
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, all on its full breakdown.
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, all on its full breakdown.
Which Zest products are PFAS-free? Good or better, best-graded first
- Water, cleansing surfactants, glycerin, botanical extracts
- We found no PFAS statement from the brand
- Fragrance allergens (undisclosed composition). Body washes in the Zest line do not itemize fragrance…
3 hazards checked on this product, all on its full breakdown.
- water-based liquid body wash with cocoa butter and shea extracts
- We found no PFAS statement from the brand
- 1,4-dioxane (contaminant). Conventional body washes may contain trace 1,4-dioxane as a byproduct of…
3 hazards checked on this product, all on its full breakdown.
- Water, surfactants, glycerin, fragrance
- We found no PFAS statement from the brand
- Fragrance allergens (contact dermatitis, respiratory sensitivity). Fragrance component(s) undisclosed on…
2 hazards checked on this product, all on its full breakdown.
- soap base, essential oils, plant extracts
- We found no PFAS statement from the brand
- Essential oil sensitization and irritation. Zest Bars contain essential oils, which can trigger allergic…
- natural deodorant, likely mineral/plant-based
- We found no PFAS statement from the brand
- Fragrance allergens and undisclosed fragrance chemicals. The product name includes 'Zest,' implying a citrus…
3 hazards checked on this product, all on its full breakdown.
Zest and PFAS, common questions
- Does Zest have PFAS?
- Zest averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Zest products graded as of October 2026, and all 5 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Zest non-toxic?
- Zest Body Wash is the highest-graded Zest 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 Zest products are lower concern for PFAS?
- The highest-graded Zest products we have scored are Zest Body Wash, Zest Body Wash Creamy Cocoa Butter Shea, Zest 2 In 1 Hair Body Wash For Men. 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 →