{"hq_id":"hq-p-bdy-000072","name":"Electric Toothbrush (rechargeable)","category":{"primary":"personal_care","secondary":"oral_care","tags":["oral_care","microplastics","battery","dental"]},"product_tier":"BDY","overall_risk_level":"low","description":"Rechargeable electric toothbrush with replaceable brush heads (Oral-B, Sonicare, etc.). Brush heads contain nylon bristles (BPA-free polypropylene/nylon), rubber grip elements, and sometimes indicator bristles with dye. Li-ion battery in handle. Low direct chemical risk but brush heads accumulate bacteria if not replaced every 3 months. Some concern about microplastic shedding from nylon bristles during brushing. Nickel-cadmium batteries in older models are toxic waste.","synthesis":{"derived_risk_level":"insufficient_data","synthesis_confidence":0,"synthesis_method":"none","context_source":null,"compounds_resolved":0,"compounds_total":0,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"overall_risk":"low","primary_concerns":["Microplastic shedding from nylon bristles","Bacterial accumulation on old brush heads","NiCd battery toxicity in older models","E-waste at end of life"],"sensitive_populations":"None specific","exposure_routes":"Mucosal (oral contact 2x daily)"},"exposure":{"routes":["mucosal"],"contact_types":[],"users":[],"duration":"years","frequency":"daily","scenarios":[],"notes":"Direct oral mucosa contact 2x daily; microplastic shedding from bristles"},"consumer_guidance":{"red_flags":["Using brush head beyond 3 months","NiCd battery model","Non-UL-listed charger"],"green_flags":["ADA Seal of Acceptance","Li-ion battery (not NiCd)","BPA-free materials","Recyclable brush head programs (TerraCycle)"],"what_to_ask":["What battery chemistry?","Is this ADA accepted?"],"alternatives":["Bamboo manual toothbrush (lower waste)","Recyclable brush head programs","Manual toothbrush with proper technique"],"notes":null},"regulatory":{"applicable_regulations":["FDA (oral care device)","ADA Seal program (voluntary)","UL safety listing","WEEE (battery disposal)"],"certifications":[],"labeling":{},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":"handle is e-waste; brush heads via TerraCycle","disposal_guidance":"E-waste recycling for handle; brush heads typically landfill unless TerraCycle","hazardous_waste":false,"expected_lifespan":"3-5 years (handle); 3 months (brush head)"},"formulation":{"form":"oral_care_device","key_ingredients":[{"hq_id":null,"name":"Nylon 612 bristles","role":"cleaning","concentration_pct":"5-10"},{"hq_id":null,"name":"Polypropylene/ABS body","role":"structure","concentration_pct":"60-70"},{"hq_id":null,"name":"Lithium-ion battery","role":"power","concentration_pct":"15-20"},{"hq_id":null,"name":"Silicone seals","role":"waterproofing","concentration_pct":"2-5"}],"certifications":["ADA Seal of Acceptance (some models)","UL listed"]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[],"identifiers":{"manufacturer":"","common_names":[],"aliases":[],"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Generic Mass-Market Brand B","manufacturer":"Consumer Goods Ltd","market_position":"mass_market","notable":"Popular budget alternative"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Upscale premium positioning"},{"brand":"Professional Brand","manufacturer":"Professional Products Co","market_position":"professional","notable":"Professional/salon-grade option"},{"brand":"Specialty Eco-Brand","manufacturer":"Natural Products Ltd","market_position":"premium","notable":"Sustainable/natural product line"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-23"},{"type":"regulation","title":"FDA (oral care device)","jurisdiction":"","id":"src_34fd70e0"},{"type":"regulation","title":"ADA Seal program (voluntary)","jurisdiction":"","id":"src_7ee4df8e"},{"type":"regulation","title":"UL safety listing","jurisdiction":"","id":"src_9cd85211"},{"type":"regulation","title":"WEEE (battery disposal)","jurisdiction":"","id":"src_de2dafee"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-22","timestamp":"2026-05-02T18:17:58.711Z"}}