Do you really know? What household products should I avoid?
Feb 8, 2026
They look at how common cleaning products can harm health and the environment. They flag risky product types and the chemicals to watch for. They explain why bleach and some preservatives are problematic. They suggest ways to choose safer cleaners and simple alternatives like baking soda, vinegar and microfibre cloths.
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Cleaning Products Often Contain Hidden Risks
- Many everyday cleaning products contain potentially harmful chemicals.
- A 2021 Which? study found almost half of UK products tested had concerning ingredients.
Price And Labels Aren't A Safety Guarantee
- Price and marketing labels don't guarantee safety.
- Even expensive or 'eco' brands can contain the same worrying ingredients.
Avoid Specific Preservatives
- Avoid products containing methylisothiazolinone and benzisothiazolinone.
- These preservatives can trigger severe allergic reactions.