Crystal Review, Is Crystal Non-Toxic?
Crystal averages 78 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 Crystal products graded as of October 2026, and all 7 reach its 70 point pass mark.
Crystal 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.
Does Crystal have PFAS, by category
Which Crystal products are PFAS-free? Good or better, best-graded first
- Activated carbon filter cartridge; polypropylene pitcher housing
- We found no PFAS statement from the brand
- Bacterial growth in filter cartridge. Any activated carbon pitcher can harbor bacteria if cartridges are not…
3 hazards checked on this product, all on its full breakdown.
- Natural mineral crystals (potassium alum or ammonium alum)
- We found no PFAS statement from the brand
- Aluminum absorption potential. Potassium alum and ammonium alum are not aluminum chlorohydrate complexes and…
2 hazards checked on this product, all on its full breakdown.
- mineral salts (potassium alum, sodium chloride)
- We found no PFAS statement from the brand
- Skin sensitization (mineral salts). Potassium alum can cause irritation or a mild stinging sensation in some…
2 hazards checked on this product, all on its full breakdown.
- mineral salt (sodium chloride) in cardboard/paper stick
- We found no PFAS statement from the brand
- Lead. Mineral salt deposits can naturally contain trace heavy metals depending on geological source. Crystal…
4 hazards checked on this product, all on its full breakdown.
- mineral salts (potassium alum complex), water-based
- We found no PFAS statement from the brand
- Fragrance allergens and sensitizers. Crystal's formulations vary; some products are unscented, while others…
3 hazards checked on this product, all on its full breakdown.
- mineral salts (potassium alum or ammonium alum)
- We found no PFAS statement from the brand
- Heavy metals. Mined potassium and ammonium alum may contain trace levels of arsenic, lead, or cadmium…
2 hazards checked on this product, all on its full breakdown.
- mineral salts (potassium alum compounds)
- We found no PFAS statement from the brand
- Fragrance allergens. Crystal Body Deodorant spray contains fragrance; ingredient list typically does not…
2 hazards checked on this product, all on its full breakdown.
What to buy instead Good or better, in the categories Crystal sells
- mineral-based powder blend (arrowroot, magnesium hydroxide, mica)
- We found no PFAS statement from the brand
- Skin irritation from magnesium hydroxide alkalinity
- cosmetic formulations, primary ingredients listed
- A third party reports verifying it as PFAS-free
- Fragrance allergens (natural essential oils)
2 hazards checked on this product, all on its full breakdown.
- natural mineral powders, plant-based actives, beeswax
- We found no PFAS statement from the brand
- Beeswax purity and contamination
2 hazards checked on this product, all on its full breakdown.
Crystal and PFAS, common questions
- Does Crystal have PFAS?
- Crystal averages 78 out of 100 on PFAS Authority's PFAS and toxin screen across the 7 Crystal products graded as of October 2026, and all 7 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Crystal non-toxic?
- Crystal Quest Water Filter Pitcher is the highest-graded Crystal product we have scored, at 95/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Crystal products are lower concern for PFAS?
- The highest-graded Crystal products we have scored are Crystal Quest Water Filter Pitcher, Salt of the Earth Classic Crystal Deodorant, Crystal Body Deodorant. 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 →