Prose · Shampoo
Prose Alcohol-Free Conditioner
Lower concern; liquid cosmetics lack typical PFAS vectors, but no public brand transparency.
Prose's alcohol-free conditioner is a rinse-off liquid cosmetic with no inherent coating, waterproofing, or nonstick treatment, the main PFAS risk pathways. Liquid hair care products rarely require PFAS. However, Prose does not publicly disclose PFAS-free status or submit to third-party verification, leaving ingredient transparency gaps.
Shop Prose on Amazon →Material
aqueous conditioner (liquid hair care, no coating or treatment layer)
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
Prose Alcohol-Free Conditioner is an aqueous (water-based) rinse-off product, meaning it sits on hair briefly before washing away, limiting absorption and systemic exposure. As a liquid conditioner without heat-applied coatings or sustained skin contact, it avoids hazard vectors common to cookware, textiles, or leave-on cosmetics. The formulation is customized per user but typically relies on emollients, silicones, and conditioning agents rather than problematic preservatives or heavy-metal pigments.
The brand's record and disclosure
Prose markets personalized hair care and emphasizes clean formulations but does not publish full ingredient transparency or third-party safety certifications on its website. No major safety recalls or regulatory actions against Prose conditioners are on record. The brand is silent on PFAS, fragrance allergen disclosure, and heavy-metal testing in pigments (if colorants are used), which is common but unhelpful for consumers seeking full transparency.
How it compares in its category
Rinse-off conditioners are among the lowest-risk personal care products because contact time is short and ingestion is accidental. Prose's alcohol-free formulation is safer than alcohol-containing alternatives, which can dry hair and irritate scalp. The brand sits mid-market for transparency; luxury brands like Aveeno publish allergen statements more openly, while mass-market brands rarely do better than Prose.
If you buy it
Use as directed and rinse thoroughly to minimize residue buildup. If scalp irritation or allergic reaction occurs, discontinue and patch-test on a small area first. Store below 25°C to avoid separation or degradation. No heat risk (unlike leave-on serums); no special maintenance needed. Replace when empty or if product separates visibly.
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
Prose does not publicly disclose fragrance components or allergen warnings. Rinse-off contact limits risk, but sensitive scalps may react to undisclosed fragrance mixtures.
Formaldehyde-releasing preservatives
No evidence Prose uses formaldehyde donors (e.g., DMDM hydantoin) in this product line, but the brand does not confirm preservation systems publicly.
Heavy metals in colorants or pigments
If this product contains colorants, lead or cadmium contamination is theoretically possible; Prose does not publish metal testing data for conditioners.
1,4-dioxane from surfactant ethoxylation
Liquid conditioners often use ethoxylated emulsifiers (e.g., ceteth compounds) which may contain trace 1,4-dioxane; Prose does not commit to dioxane-free sourcing.
Microbial contamination if stored improperly
Aqueous products are susceptible to mold or bacterial growth if exposed to moisture; proper closure and storage prevent this, not a Prose-specific failure risk.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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.
Safer alternatives in Shampoo
Credo Beauty
Roz Salt Scalp Scrub
salt crystals, mineral-based scrub
Lower-concern buy, salt scrub formulation carries minimal inherent PFAS risk.
✓Verified PFAS-free by a third party
Puracy
Public Goods Shampoo Refill
aqueous surfactant-based liquid shampoo
Lower-concern shampoo refill; Puracy's MADE SAFE cert and no-PFAS positioning align, but cosmetic formulation labs are rarely published.
✓Verified PFAS-free by a third party
Puracy
Natural Baby Shampoo Body Wash
water-based surfactants, plant-derived ingredients, aqueous solution
Lower PFAS concern, liquid cosmetic with no water-resistant or nonstick triggers.
⚠Risky category by default
More shampoo 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.