Organic Sugar Soap Peppermint
Low PFAS concern; plant-based soap formulation inherently avoids fluorochemicals.
Dr. Bronner's bar soaps are made from saponified plant oils with no known fluorochemical additives or water-resistant treatments. No public disclosure of PFAS testing, but formulation type presents lower concern.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Saponified plant oils, peppermint essential oil
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Organic Sugar Soap Peppermint is made of, ingredients and materials
Dr. Bronner's Organic Sugar Soap is formulated from saponified organic plant oils (coconut, palm, olive, jojoba, hemp, and others) and peppermint essential oil. Saponification converts triglycerides into sodium or potassium salts through chemical reaction, eliminating the precursor oils themselves; the final product contains no free fatty acids or plant proteins that might oxidize or degrade. Peppermint essential oil contributes aroma and mild sensory cooling but is volatile and disperses quickly. This formulation avoids synthetic surfactants, polymers, and chelating agents common in commercial bar and liquid soaps.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Fragrance allergens (peppermint essential oil)
Peppermint oil is a known skin irritant and sensitizer in sensitive or compromised skin; reported reactions are typically mild (redness, tingling) but can occur. Incidence in the general population is low.
Eye and mucous membrane irritation
Undiluted soap concentrate can irritate eyes and mouth; this is a use-safety issue, not a chemical hazard. Concentrated soap products carry this risk universally and are addressed by label warnings.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Heavy metals
USDA organic certification requires testing of input plant oils and minerals for contaminant limits; no recalls or reports of heavy metal contamination in this product line are on record. However, the brand does not publish independent third-party heavy metals assay results.
Source, FDA ↗Formaldehyde / VOCs
Saponified plant oil soaps do not require formaldehyde-based preservatives or crosslinkers; no preservative system or synthetic binders are listed on the label. Risk is minimal.
Source, ATSDR ↗Microplastics
The formulation contains no polyethylene, polypropylene, polyquaternium, or other plastic-derived ingredients. Saponified oils and essential oil do not fragment into microplastics.
Source, EPA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Dr. Bronner's publishes full ingredient lists and holds USDA organic certification for this product line, indicating third-party verification of input materials and manufacturing practices. The company has maintained consistent ingredient transparency for decades and has not faced recalls or regulatory action on this product category. However, the brand does not publicly disclose heavy metals testing, microplastic screening, or PFAS testing results, and makes no explicit statement on fluorochemical avoidance; the low PFAS grade reflects the soap formulation itself, not verified testing.
How it compares in its category
Organic plant-based bar soaps occupy a lower-hazard segment compared to synthetic detergent bars and heavily fragranced commercial soaps, which may contain dyes, synthetic musks, and phthalate carriers. Dr. Bronner's minimal ingredient count and certification status place it above unbranded or private-label organic soaps in disclosure terms. The peppermint essential oil formulation is gentler than products using synthetic fragrance blends or high levels of colorants, though peppermint itself is a skin sensitizer for some users.
If you buy it
Use as directed on the label; this is a concentrate and small amounts (quarter-sized) are sufficient for bathing. Store in a cool, dry place to prevent premature dissolution; bars last longer than liquid soaps in typical use. Do not ingest; keep away from eyes and mucous membranes. If skin irritation or allergic reaction occurs (rare but possible with peppermint oil), discontinue use and rinse thoroughly. No special maintenance or replacement schedule applies; use until depleted.
What is not known about PFAS in this product?
- Basis
- Model estimate, 92% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Dr. Bronner's has made none
Formulations change between production runs, so check the current label. How we grade.
More body wash 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.