Dr. Bronner's · Body Wash
4 oz - Dr. Bronner's Unscented - Pure-castile Magic Soap
Lower concern, pure castile soap with no PFAS-risk ingredients or treatments.
Dr. Bronner's castile soap is a simple, unscented liquid cleanser made from saponified plant oils with no known PFAS-containing additives, coatings, or water/stain resistance treatments. The product itself poses minimal PFAS risk.
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Saponified vegetable oils (castile soap base); liquid soap in plastic bottle
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.
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
Dr. Bronner's Unscented Pure-Castile Soap is made from saponified vegetable oils (coconut, palm, olive, and jojoba oils converted into soap through chemical reaction with lye). The saponification process converts oils into soap molecules and glycerin, leaving negligible residual lye. This formulation contains no synthetic detergents, dyes, fragrance chemicals, or preservatives, which eliminates entire classes of skin irritants and allergens common in conventional body washes.
The brand's record and disclosure
Dr. Bronner's publishes detailed ingredient lists and maintains a long-established reputation for ingredient transparency dating back decades. The company holds USDA Organic certification for its castile line and does not engage in fragrance obfuscation (the unscented variant contains zero added fragrance). No significant safety recalls or regulatory actions against this product line are on public record. The brand does not publicly address PFAS testing or stance, typical of personal care manufacturers, but castile soap formulations carry inherently low PFAS risk due to absence of fluorinated treatments or surfactants.
How it compares in its category
Conventional body washes often contain synthetic surfactants, preservatives (parabens, methylisothiazolinone), fragrance allergens, and colorants; this product avoids all three categories. Compared to other castile soaps, Dr. Bronner's is among the most widely tested and transparent in the retail market. The unscented variant is notably simpler than scented versions and eliminates fragrance-related contact dermatitis risk, making it a safer option for sensitive skin relative to typical drugstore alternatives.
If you buy it
Castile soap requires dilution for body use (typically 1 part soap to 9 parts water) to avoid over-drying skin; undiluted application is harsh. Store in a cool, dark place to slow rancidity of the vegetable oils, particularly in humid bathrooms. The plastic bottle itself (typically #2 HDPE) is food-grade safe and not a leaching concern for this alkaline soap formulation. Shelf life is approximately 2-3 years if properly stored; discard if the liquid develops a rancid odor, which signals oil degradation.
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 and sensitizers
This unscented variant contains zero added fragrance or essential oils, eliminating the primary allergen class in scented body washes. Scented variants of this product line carry standard fragrance allergen risk.
Synthetic preservatives (parabens, isothiazolinones, formaldehyde releasers)
Pure castile soap relies on pH and saponification stability rather than preservatives; no synthetic preservatives are added to this formulation. The high alkalinity (pH ~9) naturally inhibits microbial growth.
Synthetic dyes and colorants
Dr. Bronner's Unscented contains no added colorants or dyes, avoiding azo dyes and heavy metal pigment risk present in colored body washes.
Residual caustic lye (sodium or potassium hydroxide)
The saponification reaction should consume all lye; however, minor residual alkalinity remains (pH ~9), which can irritate sensitive or compromised skin if not diluted appropriately or if contact time is prolonged.
Oil rancidification in storage
The vegetable oil base can oxidize over time, particularly in warm or humid conditions, producing organic peroxides and off-odors that may irritate skin or trigger allergic contact dermatitis in sensitized individuals.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 92% 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.
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.