Every chemical we check for

PFAS is what this site is named for and it is not the only thing worth knowing about. Every product we grade is screened against the hazards below, and each one has its own page showing what it is, how many products we flagged, which categories are worst and what to buy instead.

• 🫧Microplastics

  Plastic fragments small enough to shed from a product into food, water or air without anyone seeing it.

  4,345 products flagged across 156 categories, 879 on real evidence

• ♾️PFAS

  A family of thousands of fluorinated chemicals used to make things resist water, grease and stains.

  3,591 products flagged across 155 categories, 1,537 on real evidence

• 🌫️VOCs and off-gassing

  Volatile compounds that evaporate out of a material at room temperature, which is what a new product smell is.

  3,433 products flagged across 149 categories, 538 on real evidence

• 🏷️Undisclosed fragrance

  A single word on a label that can stand for dozens of undeclared ingredients, protected as trade secret.

  2,817 products flagged across 110 categories, 209 on real evidence

• 🎨Artificial dyes

  Synthetic colours added to food, cosmetics and textiles, most of them petroleum derived.

  1,887 products flagged across 125 categories, 25 on real evidence

• 🔒Undisclosed ingredients

  Not a chemical. The absence of one, where we found no statement from the brand about what it uses.

  1,825 products flagged across 149 categories, 522 on real evidence

• 💨Formaldehyde

  A preservative and resin ingredient that is also released slowly by a group of chemicals used in its place.

  1,748 products flagged across 114 categories, 37 on real evidence

• ⛏️Heavy metals

  Metals such as antimony, nickel and chromium migrating from a material into what touches it.

  1,414 products flagged across 132 categories, 21 on real evidence

• 🔩Aluminium leaching

  Aluminium migrating out of cookware, bakeware or an antiperspirant into food or skin.

  586 products flagged across 42 categories, 36 on real evidence

• ⚗️1,4-dioxane

  A contaminant created during manufacturing rather than added, so it never appears on an ingredient list.

  551 products flagged across 27 categories, 1 on real evidence

• 🧴Phthalates

  Plasticisers that keep vinyl soft and make a scent linger, usually undeclared.

  317 products flagged across 54 categories, 14 on real evidence

• 🔥Flame retardants

  Chemicals added to foam, fabric and electronics to slow ignition.

  264 products flagged across 28 categories, 61 on real evidence

• 🧠Lead

  A metal still found in glazes, solder, paint, imported ceramics and some older cookware.

  171 products flagged across 50 categories, 2 on real evidence

• 🍼BPA and bisphenols

  Chemicals that harden plastic and line metal cans, and the replacements sold as BPA-free.

  162 products flagged across 39 categories, 1 on real evidence

• 🪨Talc

  A soft mineral used to absorb moisture and improve texture, mined alongside asbestos.

  161 products flagged across 19 categories, 8 on real evidence

• 🐛Pesticide residue

  What remains on or in a crop after treatment, and in the textiles made from it.

  65 products flagged across 22 categories, none confirmed

• 🧼Parabens

  A family of preservatives that stop mould and bacteria growing in anything containing water.

  53 products flagged across 16 categories, none confirmed

• 🧬Endocrine disruptors

  Any chemical that interferes with the hormone system, rather than one specific substance.

  18 products flagged across 7 categories, 5 on real evidence

Looking for a product rather than a chemical? Browse the full graded products list, or see how every brand grades.