{"hq_id":"hq-p-bdy-000127","name":"Insect Repellent (DEET, Picaridin, Permethrin Clothing Treatment)","category":{"primary":"personal_care","secondary":"outdoor","tags":["insect repellent","DEET","picaridin","permethrin","IR3535","children","mosquito","tick"]},"product_tier":"BDY","overall_risk_level":"low","description":"Topical insect repellents: DEET (N,N-diethyl-meta-toluamide, 10-100%), picaridin (5-20%), IR3535 (20%), oil of lemon eucalyptus (30-40%). Permethrin: clothing treatment (not skin). DEET is the gold standard — 60+ years of use, billions of applications, excellent safety record at recommended concentrations. AAP: DEET safe for children >2 months at ≤30% concentration. Picaridin equivalent efficacy with fewer cosmetic issues (no plastic damage, less oily). EPA-registered repellents are the most evidence-based protection against vector-borne diseases.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.82,"synthesis_method":"compound_composition","context_used":"human_adult","context_source":"product_users","exposure_modifier":1.1,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":2,"compounds_total":2,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"sensitive_populations":"children under 2 months (no DEET), children under 3 years (no OLE)","overall_risk":"low","primary_concerns":["Disease risk from NOT using repellent far exceeds repellent chemical risk","DEET: rare neurological events at extremely high doses or misuse","Permethrin clothing treatment: toxic to cats before drying (safe after dry)","Spray application inhalation during application"],"exposure_routes":"Dermal (topical application); inhalation (spray application)"},"exposure":{"routes":["dermal","inhalation"],"contact_types":["skin_prolonged","inhalation"],"users":["adult","child"],"duration":"hours","frequency":"weekly","scenarios":["Topical DEET/picaridin application for outdoor activity (4-8 hours)","Permethrin-treated clothing (lasts 6 washes — no skin contact transfer after drying)","Children: AAP recommends ≤30% DEET, apply by adult, wash off after return indoors","Spray application inhalation during application"],"notes":"CDC/EPA: DEET, picaridin, IR3535, and OLE are all recommended for prevention of mosquito-borne disease. DEET safety: billions of applications, extremely low adverse event rate when used as directed. Do NOT apply DEET to children under 2 months. Do NOT use OLE on children under 3 years. Permethrin: treat clothing only (kills ticks on contact) — never apply to skin. Combination: permethrin clothing + picaridin/DEET skin = maximum tick protection."},"consumer_guidance":{"usage_warning":"Use EPA-registered repellent per label. DEET ≤30% for children >2 months (AAP). Apply by adult, not child. Wash off after return indoors. Do not apply under clothing. Permethrin: clothing only, never skin. The disease risk from NOT using repellent dramatically exceeds any repellent chemical risk.","safer_alternatives":["Picaridin 20% (equivalent efficacy to DEET, fewer cosmetic issues)","Permethrin-treated clothing + picaridin skin (maximum tick protection)","IR3535 20% (European-developed, excellent safety profile)","Physical barriers: long sleeves, tucked pants, head nets"],"red_flags":[{"indicator":"Exposure in enclosed or poorly ventilated transport environment","meaning":"Chemical concentrations increase in confined spaces.","action":"Maximize ventilation. Open windows when practical."}],"green_flags":[{"indicator":"EPA-registered, UL-certified, or industry safety standard compliance","meaning":"Product/system meets applicable safety requirements.","verification":"Check for relevant certifications."}],"what_to_ask":[{"question":"What are the chemical exposure implications of this transport/travel product?","why_it_matters":"Commuting and travel represent significant daily chemical exposure windows.","good_answer":"Documented safety profile with exposure mitigation.","bad_answer":"No awareness of chemical exposure characteristics."}],"alternatives":[{"name":"Picaridin 20%","notes":"equivalent efficacy to DEET, fewer cosmetic issues"},{"name":"Permethrin-treated clothing + picaridin skin","notes":"maximum tick protection"},{"name":"IR3535 20%","notes":"European-developed, excellent safety profile"}]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"EPA FIFRA (Insect Repellent Registration)","citation":"40 CFR 152","requirements":"All insect repellents are EPA-registered pesticides. Label directions are legally binding. Active ingredient concentration and application instructions regulated.","compliance_status":null,"effective_date":null,"enforcing_agency":"EPA","penalties":null,"source_ref":null}],"certifications":[],"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":"Regular waste. Recycle aerosol container.","hazardous_waste":false,"expected_lifespan":"1-3_years"},"formulation":{"form":"varies","key_ingredients":[{"hq_id":"hq-c-org-000024","name":"Permethrin","role":"clothing_treatment","concentration_pct":"0.5 for treated clothing"},{"hq_id":"hq-c-org-000094","name":"Propylene glycol","role":"formulation_carrier","concentration_pct":"varies"}],"certifications":[]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000024","compound_name":null,"role":"clothing_treatment","typical_concentration":"0.5% for treated clothing"},{"hq_id":"hq-c-org-000094","compound_name":null,"role":"formulation_carrier","typical_concentration":"varies"}],"identifiers":{"common_names":["insect repellent (deet, picaridin, permethrin clothing treatment)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Johnson & Johnson","manufacturer":"J&J","market_position":"mass_market","notable":"Broad personal care portfolio"},{"brand":"Unilever","manufacturer":"Unilever","market_position":"mass_market","notable":"Global personal care conglomerate"},{"brand":"Procter & Gamble","manufacturer":"P&G","market_position":"mass_market","notable":"Personal care market leader"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-25"},{"type":"regulation","title":"EPA FIFRA (Insect Repellent Registration) (40 CFR 152)","jurisdiction":"USA","citation":"40 CFR 152","id":"src_bed25e14"},{"id":"epa_permethrin_2006","type":"regulatory","title":"EPA: Permethrin Reregistration Eligibility Decision (RED)","year":2006,"inherited_from_compound":"hq-c-org-000024"},{"id":"aspca_permethrin","type":"report","title":"ASPCA Animal Poison Control Center: Permethrin Toxicity in Cats","year":2021,"inherited_from_compound":"hq-c-org-000024"},{"id":"fda_pg_cat_food_ban","type":"regulatory","title":"US FDA: Propylene Glycol in Animal Food — Final Rule Prohibiting Use in Cat Food (21 CFR 582.4666) and GRAS Status for Dog Food","year":1996,"inherited_from_compound":"hq-c-org-000094"},{"id":"aspca_apcc_pg","type":"veterinary","title":"ASPCA Animal Poison Control Center: Propylene Glycol — Heinz Body Anemia Risk in Cats and Species Differences in Erythrocyte Sensitivity","year":2022,"inherited_from_compound":"hq-c-org-000094"},{"type":"regulatory","title":"US Environmental Protection Agency (EPA)","jurisdiction":"USA","id":"src_defdd418","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-02T18:19:12.658Z"}}