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Ask a Persil laundry expert anything: stains, smells and washing-machine mysteries (plus your chance to win a £200 VEX gift voucher)

43 replies

LibbyMumsnet · 03/08/2026 13:42

A few weeks ago, we asked Mumsnetters whether some families had cracked laundry while the rest of us were making life unnecessarily difficult for ourselves.

More than 100 replies later, we learned that some of you are impressively organised while others just shove everything in the machine and hope for the best. The thread also produced plenty of questions. What actually works on stubborn stains? Why does a sports kit still smell like a wet dog after washing? Are very long wash cycles genuinely necessary? And why the washing machine has been saying “10 minutes remaining” for the past half-hour. (Yes, why do they lie?)

So we've invited an actual laundry expert to answer your questions.

Helen Lyon is Global R&D Lead for Laundry Capsules at Unilever and, in partnership with *Persil Ultimate Non-Bio Capsules, she'll be answering your questions about stains, fabrics, detergents, washing machines and the everyday realities of family laundry.

About Helen
Helen is the Global R&D Lead for Laundry Capsules at Unilever. She has spent 23 years developing innovative laundry products, leading teams that bring new detergent technologies from concept to market. She's passionate about creating products that deliver outstanding performance while supporting a more sustainable future. As a mum of two young children, she also knows first-hand that family laundry is rarely straightforward and is passionate about finding ways to make everyday life a little easier for families.

So, what would you like to ask a laundry expert?

Post your question on this thread by 31st August 2026 for your chance to win a £200 VEX gift voucher (T&Cs apply).

*Keep out of reach of children. LEARN MORE www.keepcapsfromkids.eu ©A.I.S.E.

Ask a Persil laundry expert anything: stains, smells and washing-machine mysteries (plus your chance to win a £200 VEX gift voucher)
OP posts:
TheGospelAccordingToMe · 05/08/2026 00:01

Why doesn't my laundry come out soft? Even if I hang it on the line it feels like cardboard 🙁I've tried powder, liquid and capsules. Always with a good glug of conditioner...

Spiffingdarling88 · 05/08/2026 00:05

Is there away to actually remove stains first time? Ive tried every gimmick; stain removal powders/liquids/sprays, detergent that states first time removal, pre-soaking etc.

Especially on white tops- soon as tomato based product gets on the top, bleach is the only solution but I cant use it on coloured tops.

Its beyond frustrating. Thanks

Jambags · 05/08/2026 00:34

What gets out milk and dribble stains that are the blight of my laundry basket.

Pinklightning · 05/08/2026 00:41

How can I get yellow sweat stains out of white tops? Vanish doesn’t work. Sunlight doesn’t work. Vinegar doesn’t work. The tops aren’t purely white so I can’t use bleach. My tops didn’t use to stain like this until I got menopause and now the underarm areas are luminous yellow. All tops are washed after one wear.

Also here for the sun cream and why aren’t my clothes soft questions.

Thank you.

Seasonofthesticks · 05/08/2026 00:50

How do I get sweat and sun cream stains out of white?

Is it true that soaking stains in cold water overnight before washing helps get rid of them?

what is the best and gentlest product or product combo for your laundry?

ThingsCouldBeEasier · 05/08/2026 00:55

What's the best way to remove the smell of detergent / fabric conditioner from second hand clothes?

Crucible · 05/08/2026 10:22

@ThingsCouldBeEasier god yes. Hate fabric conditioner. The smell is awful.

HermioneWeasley · 05/08/2026 10:25

30DegreesHighAndRising · 03/08/2026 13:46

Thanks for this, I have a couple of questions:

What's the best way to deal with yellow stains on white shirts from deodorant and sun cream? ( particularly stains on polyester gym wear)

What are your thoughts on powder vs liquids, and putting powder in the tray vs in the drum ? I use powder as I have been told it's better for the machine.

Thank you

Edited

Get own brand oxygen bleach (costs about £3/tub)

work some of the powder into a paste and work it into the stains. And leave to sit. If it’s really bad then after that soak in a scoop of the oxygen bleach and hot water for an hour before washing normally. Dry in sunshine if possible.

HermioneWeasley · 05/08/2026 10:28

I used Persil non bio liquid for decades until I found the Aldi equivalent for a third of the price. No issues with performance, it’s just as good

my question is - to what extent are you losing market share to own brands because of your extortionate prices? Do you think your strategy of escalating prices to maintain your significant profit margins is sustainable?

Cyclistmumgrandma · 05/08/2026 10:43

What is the best way to get curry (turmeric) stains out of a merino wool t-shirt?

Kaidaia · 05/08/2026 10:46

Whats the best way to get sun cream stains out of white clothes. I’ve tried stain removers and drying in the sun with mixed results

SignsofLife · 07/08/2026 07:43

My questions are the same as several other people have mentioned. Why are clothes hard after washing. Even on the line? Why are cycles so long in modern machines? I have a new machine. Its performance is worse than the old one even when the cycles take so much longer. Is liquid or powder better and how much to use?
I also think washing powder seems much more chemical smelling these days and makes my skin itch. I'm thinking of switching to Ecover.
I worry about the water being discharged into rivers and the sea with all the chemicals in it.

QueenofDrudgery · 07/08/2026 08:49

My teen daughter will be caught out by her period. I'm often finding dried in blood stains on bedding and clothing. Tell me the best way to deal with these stains.

GentleSheep · 07/08/2026 17:27

What's the best way to get ingrained dirt out of tea towels/hand towels when using a non-bio? I only use Persil non-bio due to bio causing a skin allergy so can't rely on biological stain removal. Thank you.

Pudmyboy · Yesterday 13:15

When do these questions get answered?
Okay please ignore me, just read the original post properly!

chickenpotnoodle · Yesterday 13:32

For me it's socks - I love white socks on children, but the soles are impossible for me to keep white, I wash whites together with a non-bio and a colour catcher. Help 😅

Rubbercrumb · Yesterday 13:47

Have you discontinued Persil Colour powder? Impossible to buy it in shops in our major UK city. I don’t want to buy liquid or the tabs that never dissolve, so have ended up switching brands.

NoviceVillager · Today 16:35

How can I find out which cycle on my washing machine uses least water? Is it the 30 mins quick cycle or the super long eco one?

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