75/ 100
C
OverallF59/100
Liquid Soap Nest

Bamboo · Hand Soap

Liquid Soap Nest

C · Moderate

Lower concern; liquid soap typically doesn't require PFAS, but brand silence limits certainty.

Verdict: BuyLiquid soap format minimizes typical hand soap hazards; PFAS risk lower than solid alternatives; brand transparency gap is the only material concern.

Liquid soap is a cosmetic with inherently low PFAS risk, it rarely needs water-repellent or non-stick treatments that drive PFAS use. However, Bamboo brand makes no public statement about PFAS ingredients or sourcing, and no third-party verification is evident. Transparency from the manufacturer would strengthen confidence.

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Material

liquid soap base (presumed plant/mineral surfactants)

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.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

Liquid soap bases typically rely on potassium salts of fatty acids (plant or mineral origin) rather than the synthetic surfactants or preservative systems that trigger contamination risks in bar soaps or body washes. The liquid format itself reduces the need for binders, hardeners, or coating agents that can introduce heavy metals or synthetic polymers. Bamboo brand's product listing suggests plant-derived surfactants, which carry lower bioaccumulation risk than legacy synthetic chains. Without access to a full ingredient disclosure, formulation certainty is limited.

The brand's record and disclosure

Bamboo (the brand) maintains minimal public disclosure on ingredient sourcing or third-party testing, which is atypical for personal care brands positioning on sustainability. No established safety recalls, product warnings, or regulatory actions on record for this line. The brand's silence on PFAS sourcing and manufacturing oversight (whether suppliers are vetted for fluorinated additives in raw materials) is a transparency gap rather than evidence of contamination. Certification status (e.g., EWG Verified, Leaping Bunny, or organic) is not documented in widely available sources.

How it compares in its category

Liquid soaps as a category carry lower hazard profiles than bar soaps (which may contain antimicrobial agents like triclosan historically, though now restricted) or body washes (which often include synthetic thickeners and preservatives). Plant-based liquid soaps are generally safer than petroleum-derived detergent bars on heavy metal and synthetic polymer risk. However, Bamboo's product occupies a mid-tier sustainability market segment; it competes with brands offering certified organic or transparent third-party testing, where it does not publicly differentiate.

If you buy it

Store in a cool, dry place away from direct sunlight to preserve surfactant stability and prevent microbial growth in the liquid base; liquid soaps degrade faster than bar soaps. Use within 12-18 months of opening to avoid oxidation or separation, especially if preservatives are minimal. If the product separates, discolors, or develops odor, discontinue use (sign of microbial contamination). Rinse thoroughly after washing; liquid soaps may leave residue if water hardness is high in your area.

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.”

Possible

Preservative contamination (1,4-dioxane or formaldehyde releasers)

Liquid soap bases require preservatives to prevent bacterial and fungal growth. Without published ingredient lists, unknown whether Bamboo uses legacy preservative systems (e.g., imidazolidinyl urea or quaternium compounds) that can generate formaldehyde on shelf. Plant-based claims do not exclude synthetic preservatives.

Possible

Fragrance allergens and undisclosed components

If this product is scented (common for 'nest' branded body care), fragrance mixtures may contain unreported allergens. Brand silence on fragrance sourcing (naturals vs. synthetic aroma chemicals) limits assessment. Unlabeled fragrance components are standard industry practice but pose sensitization risk for individuals with dermatitis.

None known

Heavy metals in colorants or mineral additives

Liquid soaps typically avoid pigmented glazes or dyes that concentrate lead or cadmium. However, if the product uses mineral mica or iron oxides for visual appeal, trace contamination is possible but unconfirmed for this brand. No recalls or regulatory findings on record.

Possible

Packaging leachates (if plastic dispenser included)

If sold in a plastic pump bottle, repeated exposure to fatty acid surfactants can leach oligomers or residual monomers from polyethylene or polypropylene. Risk is low for hand soap (brief skin contact, immediate rinse) but higher if product sits in weak plastic for months. Material composition of dispenser (if included) is not publicly specified by Bamboo.

Possible

Residual PFOA or PFOS from raw material sourcing

Although liquid soap format does not inherently require fluorinated surfactants, mineral or botanical raw materials sourced from contaminated suppliers or regions with legacy PFAS in water systems may carry trace fluorinated residues. Brand's silent stance on supply-chain PFAS audits leaves this unresolved; lower concern than formulated foaming agents, but not ruled out.

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 Hand Soap

Ecos Orange Hand Soap

Ecos

Orange Hand Soap

Plant-based surfactants, water, essential oils (orange)

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern, solid plant-based formula with credible third-party oversight; no PFAS-prone materials.

EPA Safer ChoiceLeaping BunnyEWG Verified

Verified PFAS-free by a third party

Seventh Generation Hand Wash, Free Clean

Seventh Generation

Hand Wash, Free Clean

aqueous surfactants, botanicals, water-based formula

A
A
PFASAll
A · Very low PFAS2 flags

Lower PFAS concern; buy with confidence if skin-sensitivity is a priority.

MADE SAFEEWG Verified

Verified PFAS-free by a third party

Seventh Generation Liquid Hand Soap Free & Clean

Seventh Generation

Liquid Hand Soap Free & Clean

Water-based liquid soap formulation

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern choice; no PFAS expected in liquid soap format, but verification limited to brand claims.

Seventh Generation Certified

Verified PFAS-free by a third party

More hand soap 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.