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engineer-smell
The smell isn't really on your clothes. It's coming from a place your detergent can't reach, and no amount of re-washing will shift it. Here's what I find when I open these machines up.
On half the jobs I go to, it's not the fault that hits me first. It's the smell.
I get the machine open and there it is. Wet dog. Proper stale, damp, been sat there wet dog. And nearly every time, the owner swears blind their washing comes out clean.
It does come out clean. It just doesn't come out fresh. And they can't for the life of them work out why.
I've done this twenty years. So let me tell you exactly what's going on, because once you see it you can't un-see it.
When you wash anything your dog has been near, the hair doesn't rinse away like dirt does.
Dog hair is keratin. It's a protein, the same stuff as your fingernails. And the second it gets wet it turns sticky and clings to everything inside the machine you can't see. Down under the drum, inside the rubber seal, packed into the filter.
Here's the part almost nobody knows. That trapped hair holds water. It sits there damp, warm and dark, never properly drying out between washes. And it starts to turn.
That is your wet dog smell. It was never coming off the dog. It's living in the machine, and every wash you run drags your clean clothes straight back through it.
And your detergent cannot touch it. Detergent is built to shift grease and dirt. It cannot break down a protein. It was never built to. Full stop. So the hair just sits there, load after load, getting riper.
This is the bit that drives people mad. The washing smells of nothing coming out of the drum. Then it dries, and it's back.
Or you iron a shirt and the heat lifts it off the fabric. Or you pull a coat on and by teatime it's on you. Faint, but there, following you about all day.
I had one customer tell me half her husband's work shirts went straight back in the wash basket without ever being worn. Washed, dried, folded, sniffed, and back in the basket. Because she couldn't find where it was coming from.
It was coming from the machine I was knelt in front of. From hair she couldn't see and her detergent couldn't touch.
People try everything before they call me. By the time I turn up they've usually thrown the lot at it.
None of it works, because none of it touches the thing that's actually sat in there going stale. The hair. Think of a wet towel screwed up in a gym bag. Leave it damp with no air and it turns. Rinsing it in perfume won't fix it. You have to get the thing itself out.
The only chemistry that breaks a protein down is enzymes. Not acid. Not bleach. Not heat on its own.
An enzyme called protease gets inside the trapped hair and takes it apart. It dissolves the keratin the fur is made of, so instead of sitting there damp and turning, it breaks down and flushes out with the wastewater. Take the hair out and you take the smell out with it.
Nothing on the supermarket shelf does this, because none of it was built for a machine with a dog in the house.
I first heard about it from another engineer across town. His repeat call-outs from dog owners had dropped right off since he started telling them about it.
So I tried it at my own place. I've got two Labradors, so believe me, I know what a dog does to a machine. I tipped two tablespoons into an empty drum and ran it on the hottest cycle.
The water that drained out was dark. From a machine I'd have told you was fine. And after what I get a noseful of on jobs every week, there's no chance I'd run mine without it now.
It's called Draen.
Two tablespoons. Empty drum. Hottest cycle. Once a week. That's the whole job.
It's a multi-enzyme powder that works its way into the drum, the seal and the filter, breaking the trapped hair down so it drains away instead of sitting there turning. It's a maintenance treatment for an empty machine, not something you tip in with your clothes. I run my dogs' bedding through with it too, on the hot wash.
One straight word about the catch, because I'd rather you knew. It only works hot. The enzyme is dead on a cold quick-wash, so it has to go on the hottest cycle. And it works with every type: front-loader, top-loader, HE and compact.
After the first cycle, you'll see the water come out dirty. That's the buildup letting go. Good sign.
Within a couple of runs the machine itself stops smelling. You open the door and there's just nothing there. Then the washing changes. It comes out smelling of washing again.
And this is the bit that gets people. It stays that way. Dry, warm, worn all day at work, no wet dog creeping back in. No more re-washing the same load chasing a smell you were never going to scrub out.
"My clean washing always had a faint damp dog smell that came back the second it dried. One empty hot cycle with Draen and the machine smelled of nothing. My towels finally smell clean again. Ordering more."
Charlotte M.✓ Verified customer"Two big shedding dogs and the machine had that stale smell no wash would fix. After a few weekly cycles the drum is fresh and my clothes stop smelling of dog when I'm out. Far exceeded my expectations."
Amelia R.✓ Verified customerHere's the thing about that trapped hair. It doesn't just turn your washing sour. Left long enough it packs down into the pump, and then it's not a smell any more, it's a machine that won't drain. A call-out to clear it runs from £75 to a couple of hundred, and a proper repair or a new machine costs a great deal more.
Draen is £24.90. Less than most people have already spent on the vinegar, scented beads and machine cleaners that were only ever going to mask it for a day.
One thing I will say. It sells out. I've had people tell me they went to order it after I mentioned it, left it a week, and by the time it was back the smell had them re-washing everything all over again. If it's in stock when you click through, don't sit on it.
Or you can keep doing what you've been doing. Another scented wash. Another shirt that smells fine until it's dry. And the same stale machine waiting for the next load.
Draen comes with a 30-day money-back guarantee. No risk in trying it. The only risk is another wash that comes out smelling of dog.
Free UK delivery. Ships from the UK.
Two tablespoons in the empty drum, on the hottest cycle (90°C), once a week. That's the whole routine.
The enzyme only activates at a proper heat. On a cold or quick wash it won't do anything, so it has to go on the hottest cycle your machine has.
Yes. Front-loader, top-loader, HE and compact, all types.
No. It's a machine treatment. You run it in an empty drum. You can also use it on pet bedding on a hot wash, but not with your everyday clothes.
30-day full refund. No questions.
This article reflects the personal experience and professional opinion of the author and is an advertisement feature for Draen. Individual results may vary. Draen is a household cleaning product for an empty washing-machine maintenance cycle. Do not use on wool, silk, leather, cashmere, down or colour-sensitive fabrics. Keep out of reach of children. Prices and offers correct at time of publishing.