Chemicals are part of almost everything you do.
Food, makeup, cleaning products, medicines, plastics. Chemical Century sets out what the evidence says about the harms.
Claims stay tied to their sources. This is not a diagnosis, and it is not a score.
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13 chemical articles and 4 topics so far, built to hold thousands.
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Where a chemical shows up
Ten product groups. The group is where a substance shows up. The harm, where the evidence supports one, is in the article.
Food and drink
5
Sweeteners, preservatives, colours, flavourings and texture.
Skin and personal care
4
Moisturizers, exfoliants, preservatives and deodorants.
Makeup and colour
4
Pigments, nail products, hair colour and UV filters.
Medicines and health
1
Pain and fever, allergy, digestive and skin medicines.
Cleaning and laundry
2
Surfactants, disinfectants, solvents and builders.
Plastics & packaging
3
Polymers, monomers, bisphenols, phthalates, PFAS coatings and particles.
Household materials
2
Paints, adhesives, furnishings and flame retardants.
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Featured articles
What each substance is, where people meet it, and what the sources say about harm.
Allura Red AC
Red 40 exposure and the evidence on children
Allura Red AC is a synthetic colour that may appear in sweets, soft drinks, bakery products and desserts. The same substance is known as FD&C Red No. 40 in the United States…
Aspartame
Sweetness, safety and the label
Diet soft drinks, chewing gum, desserts and tabletop sweeteners can contain aspartame. Exposure depends on the formulation, amount consumed and body weight—not simply whether…
Bisphenol A
Packaging exposure and disputed health risks
Bisphenol A, usually shortened to BPA, has been used to make hard, clear polycarbonate plastic and epoxy resins. Everyday encounters can include some reusable food containers…
Topics
Beyond a single chemical
Some harms are not one substance. Topics are the longer explainers, and they link back to the chemical articles.
