{"hq_id":"hq-p-bdy-000115","name":"Mouthwash (Antiseptic Oral Rinse)","category":{"primary":"personal_care","secondary":"oral_care","tags":["mouthwash","Listerine","alcohol","cetylpyridinium","fluoride","oral microbiome"]},"product_tier":"BDY","overall_risk_level":"low","description":"Antiseptic oral rinses containing alcohol (ethanol 14-27%), cetylpyridinium chloride (CPC), chlorhexidine, essential oils, or fluoride. High-alcohol mouthwash has been investigated as a risk factor for oral cancer (IARC 2012: alcohol in mouthwash is 'not classifiable'). Chlorhexidine alters oral microbiome and can affect blood pressure regulation via nitrate-reducing bacteria. Daily use kills both pathogenic and beneficial oral bacteria.","synthesis":{"derived_risk_level":"high","synthesis_confidence":0.82,"synthesis_method":"compound_composition","context_used":"human_child","context_source":"product_users","exposure_modifier":0.977,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":3,"compounds_total":3,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"sensitive_populations":"children under 6 (swallowing risk), hypertensive individuals (chlorhexidine)","overall_risk":"low","primary_concerns":["Alcohol content (14-27%) — drying, child poisoning risk, debated oral cancer link","Chlorhexidine disrupting nitrate-reducing oral bacteria (blood pressure effect)","Oral microbiome disruption from daily antiseptic use"],"exposure_routes":"Oral mucosal contact; partial swallowing"},"exposure":{"routes":["oral"],"contact_types":["oral_direct"],"users":["adult","child"],"duration":"minutes","frequency":"daily","scenarios":["30-60 second swishing 1-2x daily (partial swallowing common)","Children accidentally swallowing alcohol-containing mouthwash","Chlorhexidine disrupting oral microbiome with daily use"],"notes":"Children under 6 should not use mouthwash (swallowing risk). Alcohol-containing mouthwash dries oral mucosa and may worsen halitosis long-term. Chlorhexidine rinse reduces nitrate-reducing oral bacteria — studies show 2-3 mmHg blood pressure increase after 1 week of chlorhexidine rinse use."},"consumer_guidance":{"usage_warning":"Choose alcohol-free formulations. Do not give mouthwash to children under 6. Chlorhexidine: use only as prescribed (not daily long-term). Supervise children's mouthwash use to prevent swallowing.","safer_alternatives":["Alcohol-free CPC mouthwash (Crest Pro-Health)","Saltwater rinse (antimicrobial, zero chemicals)","Xylitol rinse (anti-cariogenic, no alcohol)"],"red_flags":[{"indicator":"Product causes skin irritation, redness, or rash","meaning":"Contact dermatitis or chemical sensitivity.","action":"Discontinue use. Choose fragrance-free, hypoallergenic alternative."}],"green_flags":[{"indicator":"EWG Verified or dermatologist-tested label","meaning":"Meets strict ingredient safety criteria.","verification":"Check EWG Skin Deep database for product rating."}],"what_to_ask":[{"question":"Is this product fragrance-free (not just unscented)?","why_it_matters":"Fragrance is the #1 cause of cosmetic contact dermatitis. Unscented may still contain masking fragrance.","good_answer":"Fragrance-free — no fragrance ingredients at all.","bad_answer":"Unscented (may contain masking fragrance)."}],"alternatives":[{"name":"Alcohol-free CPC mouthwash","notes":"Crest Pro-Health"},{"name":"Saltwater rinse","notes":"antimicrobial, zero chemicals"},{"name":"Xylitol rinse","notes":"anti-cariogenic, no alcohol"}]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"FDA Federal Food, Drug, and Cosmetic Act (Cosmetics)","citation":"21 U.S.C. 361-364","requirements":"Cosmetics must not be adulterated or misbranded. No pre-market approval required (except color additives). Fragrance ingredients exempt from individual disclosure.","compliance_status":null,"effective_date":null,"enforcing_agency":"FDA","penalties":null,"source_ref":null},{"jurisdiction":"EU","regulation":"EU Cosmetics Regulation (EC) No 1223/2009","citation":"EC 1223/2009","requirements":"All cosmetic ingredients must be safety-assessed before market. 1,600+ banned substances. Full ingredient disclosure required (INCI). CMR substances prohibited.","compliance_status":null,"effective_date":null,"enforcing_agency":"European Commission","penalties":null,"source_ref":null},{"jurisdiction":"USA -- California","regulation":"California Proposition 65","citation":"CA Health & Safety Code 25249.5","requirements":"Products containing listed chemicals require warnings.","compliance_status":null,"effective_date":null,"enforcing_agency":"OEHHA","penalties":null,"source_ref":null}],"certifications":[{"name":"EWG Verified","issuer":"Environmental Working Group","standard":"EWG Verified Mark","scope":"Meets EWG strictest health criteria for personal care products"}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":true,"disposal_guidance":"Recycle bottle.","hazardous_waste":false,"expected_lifespan":"months"},"formulation":{"form":"varies","key_ingredients":[{"hq_id":"hq-c-org-000741","name":"Cetylpyridinium chloride (CPC)","role":"antiseptic","concentration_pct":"0.05-0.1"},{"hq_id":"hq-c-ino-000143","name":"Fluoride ion","role":"anticaries","concentration_pct":"0.02-0.05"},{"hq_id":"hq-c-org-000732","name":"Chlorhexidine","role":"prescription_antiseptic","concentration_pct":"0.12"}],"certifications":[]},"materials":{"common":[{"material_id":"hq-m-chm-000057","material_name":"Primary formulation for mouthwash (antiseptic oral rinse)","component":"main product","prevalence":"common","notes":"Standard personal care product formulation.","hq_id":"hq-m-chm-000057"}],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000741","compound_name":null,"role":"antiseptic","typical_concentration":"0.05-0.1%"},{"hq_id":"hq-c-ino-000143","compound_name":null,"role":"anticaries","typical_concentration":"0.02-0.05%"},{"hq_id":"hq-c-org-000732","compound_name":null,"role":"prescription_antiseptic","typical_concentration":"0.12%"}],"identifiers":{"common_names":["mouthwash (antiseptic oral rinse)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Listerine","manufacturer":"Johnson & Johnson","market_position":"mass_market","notable":"Market-leading antiseptic mouthwash"},{"brand":"Crest Pro-Health","manufacturer":"Procter & Gamble","market_position":"mass_market","notable":"Alcohol-free mouthwash"},{"brand":"ACT","manufacturer":"Chattem","market_position":"mass_market","notable":"Fluoride rinse for cavity prevention"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-25"},{"type":"regulation","title":"FDA Federal Food, Drug, and Cosmetic Act (Cosmetics) (21 U.S.C. 361-364)","jurisdiction":"USA","citation":"21 U.S.C. 361-364","id":"src_d6e8aa83"},{"type":"regulation","title":"EU Cosmetics Regulation (EC) No 1223/2009 (EC 1223/2009)","jurisdiction":"EU","citation":"EC 1223/2009","id":"src_dc378692"},{"type":"regulation","title":"California Proposition 65 (CA Health & Safety Code 25249.5)","jurisdiction":"USA -- California","citation":"CA Health & Safety Code 25249.5","id":"src_fe1d5adc"},{"id":"src_001","type":"database","title":"PubChem Compound Database","url":"https://pubchem.ncbi.nlm.nih.gov/compound/31239","year":2026,"inherited_from_compound":"hq-c-org-000741"},{"type":"monograph","title":"International Agency for Research on Cancer (IARC)","jurisdiction":"International","id":"src_d9ebbaf2","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-02T18:19:22.679Z"}}