{"hq_id":"hq-p-wer-000010","name":"Fabric softener and dryer sheets","category":{"primary":"household","secondary":"fabric_care","tags":["fabric softener","dryer sheets","laundry"]},"product_tier":"WER","overall_risk_level":"moderate","description":"Liquid fabric softener and dryer sheets used in laundry. Contains quaternary ammonium compounds (QACs), fragrance, and fatty acids that coat fabrics.","synthesis":{"derived_risk_level":"severe","synthesis_confidence":0.648,"synthesis_method":"compound_composition","context_used":"human_infant","context_source":"product_users","exposure_modifier":1.265,"vulnerability_escalated":true,"escalation_reason":"Infant exposure group","compounds_resolved":2,"compounds_total":2,"synthesis_date":"2026-05-09","synthesis_version":"1.2.0","methodology_note":"exposure_modifier and adjusted_magnitude are computed from ALETHEIA-calibrated heuristics (route × duration × frequency multipliers, clamped to [0.5, 1.4]). Multipliers are directionally informed by EPA Exposure Factors Handbook (2011) and CalEPA OEHHA but are not regulatory consensus. See /api/methodology for full disclosure."},"hazard_summary":{"overall_risk":"moderate","primary_concerns":[],"sensitive_populations":"","exposure_routes":""},"exposure":{"routes":["dermal"],"contact_types":["dermal","inhalation"],"users":["adult","child","infant"],"duration":"hours","frequency":"daily","scenarios":["Incidental mouthing or hand-to-mouth transfer by children"],"notes":"Dryer sheets volatilize QACs + fragrance during heated drying cycle → inhalation. Residue on clothing → prolonged dermal contact."},"consumer_guidance":{"red_flags":[{"indicator":"Strong scent persists on clothing for days","meaning":"High fragrance load in continuous skin contact","action":"Switch to fragrance-free or use wool dryer balls"}],"alternatives":[{"name":"Wool dryer balls","notes":"Zero chemicals; reduces static; reusable for 1000+ loads"}],"green_flags":[],"what_to_ask":[],"notes":null},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"No specific regulation (cosmetic/household product)","requirements":"No ingredient disclosure required for household cleaning products in US"},{"jurisdiction":"EU","regulation":"EU Detergents Regulation 648/2004","requirements":"Full ingredient disclosure on website; allergen labeling"}],"certifications":[],"labeling":{},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":null,"disposal_guidance":"","hazardous_waste":null,"expected_lifespan":""},"formulation":{"form":"solid","key_ingredients":[{"hq_id":null,"name":"Dipalmitoyl Hydroxyethyl Ammonium Chloride (Emollient)","role":"emulsifier","concentration_pct":"10-20"},{"hq_id":"hq-c-mix-000047","name":"Fragrance Blend","role":"fragrance","concentration_pct":"5-10"},{"hq_id":"hq-c-org-000683","name":"Mineral Oil","role":"carrier","concentration_pct":"30-45"},{"hq_id":null,"name":"Nonwoven Polyester Substrate","role":"carrier","concentration_pct":"30-40"}],"certifications":[]},"materials":{"common":["hq-m-chm-000012","hq-m-env-000001"],"concerning":[{"material_id":"hq-m-chm-000012","concerns":[{"concern":"Polychlorinated Biphenyls (PCB mixture, typically Aroclor 12 (IARC 1)","exposure_route":"multiple","from_compound":"Polychlorinated Biphenyls (PCB mixture, typically Aroclor 12"},{"concern":"PCB-118 (a particularly toxic congener) (IARC 1, GHS: Warning)","exposure_route":"multiple","from_compound":"PCB-118 (a particularly toxic congener)"},{"concern":"Dioxin-like PCB congeners (PCB-77, PCB-126, PCB-169) (IARC 1, GHS: Warning)","exposure_route":"multiple","from_compound":"Dioxin-like PCB congeners (PCB-77, PCB-126, PCB-169)"}]},{"material_id":"hq-m-env-000001","concerns":[{"concern":"Polychlorinated dibenzo-p-dioxins (PCDD mixture) (IARC 3, GHS: Danger)","exposure_route":"multiple","from_compound":"Polychlorinated dibenzo-p-dioxins (PCDD mixture)"},{"concern":"Polychlorinated dibenzofurans (PCDF mixture) (IARC 3, GHS: Danger)","exposure_route":"multiple","from_compound":"Polychlorinated dibenzofurans (PCDF mixture)"},{"concern":"Co-occurring polychlorinated dibenzofurans (PCDFs)","exposure_route":"multiple","from_compound":"Co-occurring polychlorinated dibenzofurans (PCDFs)"}]}],"preferred":["glass","stainless steel"]},"compound_composition":[{"hq_id":"hq-c-org-000733","compound_name":"Cetrimonium chloride (CTAC)","role":null,"typical_concentration":"3-8%"},{"hq_id":"hq-c-org-000046","compound_name":"Isopropanol","role":null,"typical_concentration":"1-3%"}],"identifiers":{"common_names":[],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Downy","manufacturer":"Procter & Gamble","market_position":"mass_market","notable":"Market-leading fabric softener brand"},{"brand":"Bounce","manufacturer":"Procter & Gamble","market_position":"mass_market","notable":"Dryer sheets; mass-market staple"},{"brand":"Snuggle","manufacturer":"Henkel","market_position":"mass_market","notable":"Soft fabric softener with fragrance"},{"brand":"Seventh Generation","manufacturer":"SC Johnson","market_position":"premium","notable":"Hypoallergenic fabric care products"},{"brand":"Ecos Free & Clear","manufacturer":"Earth Friendly Products","market_position":"premium","notable":"Allergen-free fabric conditioner"}],"brand_examples_disclaimer":"Representative branded products of this category. Concerning ingredients listed in materials.concerning[] apply to the category, not necessarily to every named brand. Specific formulations vary by SKU and may have changed since this record was written; consult the brand's current ingredient label before drawing brand-level conclusions.","sources":[{"id":"src_001","type":"journal","title":"Volatile emissions from dryer vents during use of fragranced and fragrance-free laundry products","year":2013},{"type":"regulation","title":"No specific regulation (cosmetic/household product)","jurisdiction":"USA","id":"src_61b2b7fd"},{"type":"regulation","title":"EU Detergents Regulation 648/2004","jurisdiction":"EU","year":2004,"id":"src_ff34f3d2"},{"id":"atsdr_ipa","type":"report","title":"ATSDR Toxicological Profile for Isopropyl Alcohol","year":2020,"inherited_from_compound":"hq-c-org-000046"},{"id":"epa_ipa_iris","type":"regulatory","title":"US EPA IRIS: Isopropanol — Reference Dose and Review","year":1993,"inherited_from_compound":"hq-c-org-000046"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-14T01:24:28.260Z"}}