Nappies, wet wipes, baby bottles, pyjamas, car seats and toys — with an honest look at what "baby-safe" labelling actually means.
55 chemicals in this category
2,4-D is one of the world's most widely used herbicides, killing broadleaf weeds while sparing grasses. It has been used in domestic lawns and gardens since the 1940s. The IARC classified it as a possible human carcin…
2,4-D (2,4-dichlorophenoxyacetic acid) is one of the oldest synthetic herbicides in continuous use — developed in the 1940s and used as a component of Agent Orange during the Vietnam War. It remains widely available a…
Aerosol body sprays — Lynx, Sure, Impulse, and the vast range of supermarket own-brands — deliver a mixture of hydrocarbon propellant gas, alcohol carrier, and synthetic fragrance directly onto skin in a fine mist. Th…
Rice accumulates inorganic arsenic from soil and water more efficiently than any other major food crop, due to the flooded paddy conditions under which it is grown. It is the single largest dietary source of inorganic…
Azo dyes are the largest class of synthetic colourants used in textile manufacture — they account for more than 60% of all dyes used in clothing, producing the full spectrum of reds, oranges, yellows, browns, and some…
Azo dyes are the largest class of synthetic colorants used in textile manufacturing, responsible for 60–70% of all textile dyeing globally. The health concern with textile azo dyes is their reductive cleavage under ce…
Azo dyes are a large family of synthetic colorants characterised by one or more azo groups (-N=N-). Six specific azo food dyes — sunset yellow (E110), quinoline yellow (E104), carmoisine (E122), allura red (E129), tar…
BPA is one of the most studied endocrine-disrupting chemicals in the world. It mimics oestrogen and has been found in the urine of over 90% of the general population in studies across Europe and the US. The "BPA-Free"…
Tooth-coloured composite resin fillings — now often presented as the safer, mercury-free alternative to amalgam — are manufactured from bis-GMA (bisphenol A glycidyl dimethacrylate) or bis-DMA (bisphenol A dimethacryl…
Cadmium is a heavy metal that accumulates in the kidneys and bone, causing kidney damage and bone demineralisation with chronic exposure. Cadmium pigments — cadmium yellow, cadmium orange, and cadmium red — produce in…
Holiday sunscreen use is quantitatively different from everyday SPF application — a beachgoing family may apply sunscreen to children multiple times per day for two weeks, to large body surface areas including skin th…
Chemical UV filters in sunscreens are organic compounds that absorb ultraviolet radiation and convert it to heat. They are distinct from mineral UV filters (zinc oxide and titanium dioxide) which physically scatter UV…
Chlorpyrifos is an organophosphate insecticide that has been widely used in agriculture, gardens, and homes since the 1960s. It works by inhibiting acetylcholinesterase, an enzyme essential for nerve function. Decades…
Copper chrome arsenate (CCA) wood preservative was the dominant treatment for structural timber in the UK from the 1950s through to 2004 — used in garden decking, play equipment, fence posts, agricultural buildings, t…
Correction fluids (white-out), permanent markers, whiteboard markers, and highlighters are everyday classroom items that collectively contribute a significant VOC load to school indoor air. While individual items seem…
Creosote — distilled from coal tar — is one of the most effective wood preservatives ever developed, and its distinctive dark brown colour and tarry smell are familiar from fence posts, garden sleepers, and telegraph …
Artificial turf systems use recycled tyre rubber ("crumb rubber") as the infill material that cushions the synthetic grass surface. This crumb rubber is a complex mixture of styrene-butadiene rubber, carbon black, PAH…
DEET (N,N-diethyl-meta-toluamide) is the most widely used active ingredient in insect repellents worldwide, effective against mosquitoes, ticks, midges, and other biting insects. It has been used since the 1940s. DEET…
DEET (N,N-diethyl-meta-toluamide) is the most widely used and most effective insect repellent available for consumer use — it is the recommended active ingredient for malaria and dengue prevention in tropical travel d…
Di(2-ethylhexyl) phthalate (DEHP) is the most widely studied member of the phthalate family — a group of plasticisers that make PVC soft and flexible. It is classified as a reproductive toxicant Category 1B and a subs…
PVC (polyvinyl chloride) medical devices — IV tubing, blood bags, dialysis tubing, enteral feeding tubes, and nasogastric tubes — require plasticisers to remain flexible, and DEHP (di(2-ethylhexyl) phthalate) has been…
Energy drinks are among the most chemically complex beverages in the food supply — combining high synthetic caffeine doses with taurine, glucuronolactone, B vitamin megadoses, artificial sweeteners, artificial colours…
UK fire safety regulations require children's nightwear to meet strict flammability standards — garments must resist ignition or self-extinguish, a requirement met either by inherently flame-resistant fibres (polyeste…
Formaldehyde is an IARC Group 1 confirmed human carcinogen present in many environments — from flat-pack furniture off-gassing to keratin hair straightening treatments. In personal care products it appears directly or…
The desks, chairs, shelving, and cupboards in most UK classrooms are constructed from medium-density fibreboard (MDF) or particleboard bonded with urea-formaldehyde (UF) resins. These resins release formaldehyde gas c…
Crease-resistant, easy-care, wrinkle-free, and permanent-press cotton textiles owe their performance to N-methylol resin finishes — compounds that cross-link cellulose fibres to prevent wrinkle formation. These resins…
Galaxolide is a polycyclic synthetic musk — one of the most widely used fragrance compounds in the world. It has documented estrogenic activity, bioaccumulates in human tissue, and has been detected in breast milk and…
Beyond the well-known polybrominated diphenyl ethers (PBDEs — already profiled), electronic device casings contain a range of additional halogenated flame retardants — most prominently tetrabromobisphenol A (TBBPA), h…
Imidacloprid is a neonicotinoid insecticide that has become the dominant active ingredient in pet flea and tick products — it is the active compound in Advantage, Advocate, and numerous veterinary spot-on products, as…
Dogs and cats act as highly efficient vectors for transferring lawn treatment chemicals from outdoor treated surfaces into the home. Pets walk on recently treated grass, accumulate herbicide and pesticide residues on …
Lead is a heavy metal with no safe level of exposure for children. Even at blood levels once considered acceptable, lead causes permanent cognitive impairment, reduced IQ, behavioural problems, and ADHD-like symptoms.…
Lead enters drinking water primarily from lead pipes, lead solder in plumbing joints, and brass fittings — legacy infrastructure installed before the hazards of lead were understood. Approximately 3–4 million homes in…
Lead was used as a pigment and drying agent in paint for thousands of years — it produced brilliant whites and yellows and made paint more durable and weatherproof. UK domestic paint contained lead until 1992 when it …
Tourist souvenirs — cheap jewellery, painted ceramics, coloured glassware, toys, and decorative items sold at holiday destinations — are a well-documented source of heavy metal exposure, particularly in children. Regu…
Microplastics are particles of plastic less than 5 mm in size, including nanoplastics smaller than 1 micrometre. The kitchen is one of the highest-density zones of microplastic release in the home — scratched non-stic…
Neonicotinoids are systemic insecticides that are taken up by plants and expressed in all tissues including pollen and nectar — meaning that insects feeding on treated plants receive a dose even when no spray has been…
The distinctive "new car smell" is a complex mixture of volatile organic compounds off-gassing from the adhesives, plastics, vinyl, foam, carpeting, sealants, and coatings that comprise a modern car interior. Measurem…
Household flea control extends beyond treating the pet to treating the home environment — carpets, skirting boards, pet bedding, and upholstered furniture where flea larvae and pupae persist. Household flea sprays des…
Parabens are synthetic preservatives that extend the shelf life of personal care products. Cheap, effective, and ubiquitous — found in the majority of shampoos, moisturisers, cosmetics, and pharmaceutical products. Th…
Polybrominated diphenyl ethers (PBDEs) are a family of brominated flame retardants added to foam furniture, mattresses, carpets, electronics, and vehicle components to slow fire spread. Banned or phased out across the…
Veterinary flea and tick treatments for pets are among the most widely used pesticide products in UK homes. Products fall into two main categories: pyrethroids (particularly permethrin in dog treatments — acutely leth…
Artificial garden lawns — marketed as low-maintenance alternatives to real grass — are manufactured from polypropylene or polyethylene yarn tufted into a backing fabric and coated with various chemicals to improve UV …
Durable water repellent (DWR) and stain-resistant finishes on everyday clothing — not just outdoor sportswear, but children's school uniforms, suit fabrics, ties, carpet-like flooring in vehicles, and seat upholstery …
Phthalates are a family of plasticisers and fragrance fixatives found in an enormous range of products — from PVC flooring to nail varnish to the fragrance in shampoo. They are among the most extensively studied endoc…
Pet food is packaged in materials — aluminium foil pouches, cans with polymer linings, and plastic trays — that can transfer plasticisers and other chemical migrants into the food. Wet cat and dog food is a particular…
The flexible PVC insulation on electrical cables, charging cables, power adapters, and electronic device accessories requires plasticisers to remain pliable — and phthalates are the dominant plasticiser used in PVC ca…
Phthalates are widely used plasticisers in soft PVC — making it flexible for products such as pencil cases, ring binders, lunchboxes, plastic rulers, school bags, and vinyl-covered exercise books. Several phthalates, …
Rawhide dog chews are made from the inner split layer of cattle hides — the dermis — processed industrially to create a white, odourless product. The processing sequence involves strong alkali (sodium hydroxide lime s…
Rubber crumb infill — made from recycled end-of-life vehicle tyres — is used as the filling between the blades of artificial turf in football pitches, playgrounds, and premium garden artificial lawns to provide cushio…
SLS and SLES are the most widely used foaming surfactants in personal care products. SLS directly disrupts the skin barrier. SLES is milder but carries a separate concern: it can be contaminated with 1,4-dioxane — a p…
The "Southampton Six" are a group of artificial food colours identified in a landmark 2007 University of Southampton clinical trial as causing measurable increases in hyperactive behaviour in children when consumed to…
The ingredient declaration "fragrance" or "parfum" is a legally protected trade secret that can conceal up to several hundred individual chemicals under a single listing. The EU requires disclosure of 26 known allerge…
Volatile organic compounds (VOCs) are carbon-based chemicals that evaporate readily at room temperature, releasing vapours into indoor air. Paints, varnishes, wood stains, adhesives, and new furniture are the primary …
Wood preservatives protect outdoor timber from rot, fungi, and insects. The two most historically significant are creosote (a coal tar distillate containing hundreds of PAH compounds including benzo[a]pyrene) and chro…
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