Kiehl's Since 1851 · Body Wash
Kiehl's Since 1851 Body Fuel All-in-one Energizing Wash For Hair &
Lower PFAS concern for a rinse-off cosmetic; no known drivers of PFAS contamination.
Kiehl's Body Fuel is a liquid body/hair wash with no waterproof, nonstick, or stain-resistant coatings that typically trigger PFAS use. The brand makes no PFAS disclosure.
Shop Kiehl's Since 1851 on Amazon →Material
aqueous cleansing liquid (wash); no coating or water-repellent coating treatment
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.
No PFAS disclosure
No public statement about PFAS in this product.
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
Kiehl's Body Fuel is an aqueous cleansing liquid formulated as a body wash and hair cleanser. It contains surfactants (cleansing agents), humectants, and fragrance suspended in water, with no persistent coatings or treatments applied to skin or hair. Because it rinses off completely within seconds to minutes, systemic absorption of dissolved ingredients is minimal compared to leave-on products like lotions or treatments. The key safety concern in any rinse-off wash is irritation potential from surfactants and fragrance allergens, not accumulation.
The brand's record and disclosure
Kiehl's is a Loreal-owned heritage brand with no widely publicized safety recalls or ingredient controversies on record for this specific product line. The brand does not voluntarily disclose full ingredient sourcing or third-party testing results as standard practice, which is typical for mainstream cosmetics rather than a red flag. Kiehl's complies with US FDA cosmetic regulations and EU Cosmetics Regulation requirements, meaning ingredients are permitted under law, but this does not indicate premium transparency. No formal stance on PFAS avoidance has been publicly documented.
How it compares in its category
Body washes are among the lowest-risk personal care product categories because of their rinse-off nature and rapid dilution in water. Kiehl's Body Fuel occupies the mainstream premium segment, competing with brands like Dove and Aveeno; it is not positioned as hypoallergenic, natural, or dermatologically restricted. Most commercial body washes contain similar surfactant and fragrance bases, so this product's hazard profile is typical for its price tier. Fragrance sensitivity is the primary differentiator between brands, not formulation architecture.
If you buy it
Use as directed: apply to wet skin or hair, lather, and rinse thoroughly with water. Store in a cool, dry place away from direct sunlight to preserve stability; do not leave standing water in the bottle between uses to avoid bacterial colonization of the dispenser. Discontinue use if skin irritation, redness, or itching develops within 24 hours of application, as this may indicate fragrance or surfactant sensitivity. Do not ingest or allow prolonged contact with eyes; rinse eyes immediately if contact occurs.
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 (fragrance sensitization and contact dermatitis)
Kiehl's Body Fuel contains fragrance compounds listed as 'fragrance' or 'parfum' on the label. Individual fragrance ingredients (such as limonene, linalool, citral) are common allergens in dermatology case reports; sensitization risk depends on personal fragrance sensitivity history, not brand formulation uniqueness. Rinse-off format reduces systemic exposure.
1,4-dioxane (contaminant in ethoxylated surfactants)
If this formulation uses ethoxylated surfactants (common in rinse-off washes), 1,4-dioxane can be a trace byproduct of synthesis, not an intentional ingredient. No independent testing of this specific product has been published. FDA allows trace levels in cosmetics; rinse-off products pose minimal absorption risk.
Eye irritation from surfactants
Body washes are not formulated to be tear-free; surfactants used for skin cleansing can cause conjunctival irritation if eyes are not rinsed promptly. This is a use-error hazard rather than a formulation defect; avoiding eye contact prevents this entirely.
Heavy metal contamination in pigments or colorants
No pigments or colorants are typical in clear or translucent body wash formulations like this product. Trace metals may be present as impurities in raw materials, but no recalls or testing have indicated levels exceeding cosmetic safety thresholds for this brand or product line.
Formaldehyde or formaldehyde-releasers as preservatives
Modern commercial body washes rely on alternative preservatives (phenoxyethanol, methylisothiazolinone, or parabens) rather than formaldehyde. No evidence suggests Kiehl's uses formaldehyde-releasing preservatives in this product, and such use would trigger regulatory scrutiny.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% 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.
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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.