The Nasty Ingredient Library

A library of hazardous and no-go ingredients used in cleaning and personal care products.

This is a growing and comprehensive list of the hazardous chemical ingredients used in cleaning and personal care products that we recommend to avoid and DO NOT use at Naturopath Recommended. Look for them in the cleaning and personal care products you use. Use this library to start researching and make better product choices for creating a healthier home and life.

Search here and when you find the ingredient you’re looking for click the ‘More Details’ link. More ingredients are added regularly. Let us know what you would like added.

2-Butoxyethanol

Hazardous
CAS Number: 111-76-2
Signal Word: WARNING

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2-Phenoxyethanol

Hazardous
CAS Number: 122-99-6
Signal Word: WARNING

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Alkyl Polyglucoside

Hazardous
CAS Number: 68515-73-1
Signal Word: DANGER

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Alkylbenzene Sulphonic acid

Hazardous
CAS Number:
Signal Word: DANGER

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Aluminium Chloride

Hazardous
CAS Number: 7446-70-0 (anhydrous), 10124-27-3 (hydrate) and 7784-13-6 (hexahydrate)
Signal Word: DANGER

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Amylase

Hazardous
CAS Number: 9000-90-2
Signal Word: DANGER

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Benzisothiazolinone (BIT)

Hazardous
CAS Number: 2634-33-5
Signal Word: DANGER

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Benzyl Alcohol

Hazardous
CAS Number: 100-51-6
Signal Word: WARNING

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C12-C15 Pareth-7

Hazardous
CAS Number: 68131-39-5
Signal Word: DANGER

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Calcium Chloride

Hazardous
CAS Number: 10043-52-4
Signal Word: WARNING

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Caprylyl Glycol

Hazardous
CAS Number: 1117-86-8
Signal Word: WARNING

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Caprylyl/Capryl Glucoside

Hazardous
CAS Number: 68515-73-1
Signal Word: DANGER

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Citric Acid, anhydrous

Hazardous
CAS Number: 77-92-9
Signal Word: WARNING

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Cocamidopropyl Betaine

Hazardous
CAS Number: 61789-40-0
Signal Word: WARNING

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Cocomide MEA

Hazardous
CAS Number: 68140-00-1
Signal Word: DANGER

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Coconut diethanolamine

Hazardous
CAS Number: 68603-42-9
Signal Word: WARNING

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d-Limonene (Citrus Solvent)

Hazardous
CAS Number: 5989-27-5
Signal Word: DANGER

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Deoxyribonuclease

Hazardous
CAS Number: 9003-98-9
Signal Word: WARNING

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Diethanolamine (DEA or DEOA)

Hazardous
CAS Number: 111-42-2
Signal Word: DANGER

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Dipropylene glycol, monomethyl ether

Hazardous
CAS Number: 34590-94-8
Signal Word: WARNING

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Disodium EDTA

Hazardous
CAS Number: 6381-92-6
Signal Word: WARNING

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Disodium Laureth Sulfosuccinate

Hazardous
CAS Number: 39354-45-5 / 40754-59-4 / 42016-08-0 / 58450-52-5 / 68815-56-5 / 26838-05-1
Signal Word: WARNING

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EDTA-4Na Tetrahydrate

Hazardous
CAS Number: 13235-36-4
Signal Word: DANGER

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Ethanol

Hazardous
CAS Number: 64-17-5
Signal Word: DANGER

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Hydrogen Peroxide, solution

Hazardous
CAS Number: 7722-84-1
Signal Word: DANGER

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Isopropyl Alcohol (IPA)

Hazardous
CAS Number: 67-63-0
Signal Word: DANGER

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Lactic Acid, solution

Hazardous
CAS Number: 79-33-4
Signal Word: DANGER

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Lauralkonium Chloride

Hazardous
CAS Number: 139-07-1
Signal Word: DANGER

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Lauramine Oxide

Hazardous
CAS Number: 1643-20-5
Signal Word: DANGER

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Laureth-7

Hazardous
CAS Number: Not entered
Signal Word: DANGER

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Lauryl Glucoside

Hazardous
CAS Number: 110615-47-9
Signal Word: DANGER

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Methylisothiazolinone (MIT or MI)

Hazardous
CAS Number: 2682-20-4
Signal Word: DANGER

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Monoethanolamine (MEA)

Hazardous
CAS Number: 141-43-5
Signal Word: DANGER

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Myristyl Dimethylamine Oxide

Hazardous
CAS Number: 3332-27-2
Signal Word: DANGER

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Palm Oil

Not hazardous
CAS Number: 8002-75-3
Signal Word: No signal word

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Paradichlorobenzene (PDCB)

Hazardous
CAS Number: 106-46-7
Signal Word: WARNING

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Perchloroethylene (PERC)

Hazardous
CAS Number: 127-18-4
Signal Word: WARNING

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Polyvinyl Alcohol (Fully Hydrolysed PVA)

Hazardous
CAS Number: 9002-89-5
Signal Word: DANGER

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Potassium Carbonate

Hazardous
CAS Number: 584-08-7
Signal Word: WARNING

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Potassium Carbonate, solution

Hazardous
CAS Number: 584-08-7
Signal Word: DANGER

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Potassium Hydroxide (KOH)

Hazardous
CAS Number: 1310-58-3
Signal Word: DANGER

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Potassium Sorbate

Hazardous
CAS Number: 24634-61-5
Signal Word: WARNING

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Propanediol

Hazardous
CAS Number:
Signal Word: Not entered

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Propylene Glycol

Not hazardous
CAS Number: 57-55-6
Signal Word: No signal word

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Quaternary Ammonium Compounds

Hazardous
CAS Number: 8001-54-5
Signal Word: DANGER

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Sodium (C14-16) Olefin Sulfonate

Hazardous
CAS Number: 68439-57-6
Signal Word: DANGER

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Sodium Carbonate

Hazardous
CAS Number: 497-19-8
Signal Word: DANGER

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Sodium Coco-sulfate

Hazardous
CAS Number:
Signal Word: DANGER

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Sodium Cocoyl Glycinate

Hazardous
CAS Number: 90387-74-9
Signal Word: WARNING

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Sodium dodecyl sulphate (also known as SLS)

Hazardous
CAS Number: 151-21-3
Signal Word: DANGER

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Sodium Hydroxide

Hazardous
CAS Number: 1310-73-2
Signal Word: DANGER

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Sodium Hypochlorite, solution (Chlorine, Bleach)

Hazardous
CAS Number: 7681-52-9
Signal Word: DANGER

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Sodium Lauryl Ether Sulphate (SLES)

Hazardous
CAS Number: 68891-38-3
Signal Word: DANGER

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Sodium Lauryl Sulphate (SLS)

Hazardous
CAS Number: 151-21-3
Signal Word: DANGER

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Sodium Metasilicate

Hazardous
CAS Number: 10213-79-3
Signal Word: DANGER

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Sodium Percarbonate

Hazardous
CAS Number: 15630-89-4
Signal Word: DANGER

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Sodium Silicate, powder

Hazardous
CAS Number: 1344-09-8
Signal Word: WARNING

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Sodium Silicate, solution

Hazardous
CAS Number: 1344-09-8
Signal Word: WARNING

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Sodium Xylene Sulphonate, solution (SXS)

Hazardous
CAS Number: 1300-72-7
Signal Word: WARNING

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Sorbic Acid

Hazardous
CAS Number: 110-44-1
Signal Word: WARNING

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Subtilisin

Hazardous
CAS Number: 9014-01-1
Signal Word: DANGER

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Sulphamic Acid

Hazardous
CAS Number:
Signal Word: WARNING

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Sulphuric acid

Hazardous
CAS Number: 7664-93-9
Signal Word: DANGER

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Tetrapotassium Pyrophosphate

Hazardous
CAS Number: 7320-34-5
Signal Word: WARNING

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Tetrasodium EDTA

Hazardous
CAS Number: 64-02-8
Signal Word: DANGER

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Tetrasodium Glutamate Diacetate

Hazardous
CAS Number: 51981-21-6
Signal Word: DANGER

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Triclocarban

Hazardous
CAS Number: 101-20-2
Signal Word: WARNING

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Triclosan

Hazardous
CAS Number: 3380-34-5
Signal Word: DANGER

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Triethanolamine (TEA)

Not hazardous
CAS Number: 102-71-6
Signal Word: No signal word

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Trisodium phosphate

Hazardous
CAS Number: 7601-54-9
Signal Word: DANGER

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Xylene

Hazardous
CAS Number: 1330-20-7
Signal Word: DANGER

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General terms to be very cautious of…

  • Coconut-based anionic and nonionic surfactants (oh my gosh, the word coconut does not make an ingredient ok)
  • Plant-based anionic and non-ionic surfactants
  • Colours (Colourants; Dyes)
  • Enzymes (What enzymes?)
  • Essential oils (Natural does not mean safe or non-hazardous)
  • Fragrance (Beware of both synthetic and “natural” fragrance)
  • Phthalates
  • Optical brightener
  • Parabens
  • Petroleum Distillates
  • Phosphates

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