What is the difference between bio and non bio

Biological washing powders, liquids and capsules differ from non-biological versions both in their ingredients and in how they remove stains. Many people think non-biological washing-powder is kinder to sensitive skin than biological detergents.

But is that belief backed up by scientific research? We can reveal the differences between bio and non-bio washing powder, and what this means for your laundry. Not yet a member? Join Which? Test score. Again, one bio and the other non-bio. So make sure you keep an eye out for the results in the near future. So use the results of our tests to make sure you pick the best stain busters that will preserve your bright colours and keep your whites white, and avoid the worst.

We asked Which? Wash one article of loose-fitting clothing in bio detergent. Wear it for a couple of hours and see if you have any reaction or the fabric feels uncomfortable. If it does, you should probably stick to non-bio. Whether you use bio or non-bio washing powder, you can use them in the same way.

Both types can be added to the laundry soap dispenser or used in the drum. That means Fairy Non-Bio detergent is great for young babies and people with sensitive skin.

It simply means that they are free of biological enzymes, unlike bio detergent and instead they use other ingredients derived from conventional cleaning technologies to replace them. It is a more natural detergent without the harsh chemicals, meaning less likelihood for delicate materials becoming damaged in the wash, and less irritation for those with sensitive skin.

Non-biological washing powder is in actual fact very effective nowadays and will get rid of most marks. Bio detergents, such as Ariel for example, are your best bet for removing even the most stubborn stains and can perform well at a lower temperature, which means you can save money and energy in the long run. However, if you have a young baby or sensitive skin due to an allergy or eczema, then you are best advised to look for a non-bio laundry detergent that uses a gentle perfume.

Ultimately, the answer for whether to use bio vs non-bio detergent lies with what you are putting in your washing machine. Stained or bad-smelling clothing?