Doctor shares why you must never wash clothes at 90 or 40 degrees & the right temperature for ‘everything but gym gear’

Published on June 25, 2025 at 08:09 PM

A DOCTOR has revealed why you should never wash clothes at 90 or 40 degrees.

Not only this, but the pro also shared the for “everything but workout gear.”;

Man discussing laundry washing temperatures.
A doctor has left people gobsmacked after revealing the correct temperature to wash “everything but workout gear”;
Man in blue shirt discussing laundry costs.
Not only this, but Dr Xand van Tulleken also explained why you mustn’t put clothes on at 90 degrees
Woman loading colorful towels into a washing machine.
Dr Xand claimed to be “a 20 degrees guy”;
Woman crouching by washing machine, adjusting settings.
He stressed that 20 degrees saves 62% of your money compared to 40 degrees

So if you want to and ensure your favourite don’t get damaged, then you’ve come to the right place and will need to take notes.

Speaking on BBC Morning Live, , who is best known for presenting the CBBC children’s series Operation Ouch! and the show How to Lose Weight Well, got candid on how we should really be doing our .

explained that while 90 degrees will “kill”; , it could have a very negative impact on your .

He stressed: “The hottest your washing machine will go is 90 degrees usually and that will kill everything.

“It’s almost boiling it. It’s bad for the clothes, it’s very expensive.

“Whatever’s happened to those clothes, I think you’ve got to get new clothes at that point.”;

He then voiced when to use the 60 degree function, as he added: “60 degrees, certain bugs will be killed and that can be quite good.

“So if you’ve got an infection going round your house, particularly think of something like , put it up at 60, along with the mechanical and the , that’s quite good.”;

But Dr Xand admitted why he wouldn’t ever wash his clothes at 40 degrees, as he confessed: “Personally, I don’t see the point in 40 degrees, because it’s too hot to be and it’s too cold to kill anything.

“Commit to one or the other, either go hot or go cold.”;

As a result, he acknowledged: “30 degrees, that gets the job done. It is much cheaper.

“So going from 40 to 30 saves you almost 40% in costs, it’s quicker. Make sure you get a lower temperature .”;

I’m a 20 degrees guy for everything except my workout clothes which go in hotter

Dr Xand

But Dr Xand then revealed the temperature he uses to wash the majority of his clothes – and you’ll need to prepare to be shocked.

The TV personality said: “I’ve gotta say, I’m a 20 degrees guy for everything except my workout clothes which go in hotter.

“20 degrees saves 62% of your compared to 40 degrees, so that is a big deal.

“But at lower temperatures, you’ve got to think about your machine.”;

And when it comes to cleaning your washing machine, Dr Xand suggested: “The detergent tray where all the grows, that can be a real nuisance to clean. I put it in the dishwasher.

“And then mechanical cleaning of the drum – just a cloth, some vinegar, wiping is really good.

“If your machine has a cleaning cycle which runs at a high temperature, do that according to the manufacturer’s instructions and then air it out.”;

Social media users react

The BBC clip has since been shared on social media and has quickly gone , racking up four million views.

Nah mate, 40 degrees all the way

Instagram user

Stunned by the expert’s advice, users eagerly raced to the comments to share which temperature they use to get dirty clothes clean.

One person said: “I do 40 degrees because often clothes get ruined on 60 and don’t get clean enough on 20 or 30. Plus the detergent needs to be able to dissolve and not clog up your pipes.”;

Another added: “Nah mate, 40 degrees all the way. Hot enough to kill bacteria and get rid of but cold enough so it doesn’t ruin clothes.”;

A third commented: “I’m a 30° girly and always will be, detergent, stain remover, laundry sanitiser and conditioner and then a low heat tumble dry. Clothes are lovely and soft, stains are gone and totally fresh. Only do a 90° wash for bedding and white .”;

Meanwhile, someone else claimed: “If you have a only 60 degrees or above will do!”;

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