Demi Moore covers herself in blood-sucking leeches to keep her skin looking fresh.

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The actress – who, at 45, is 15 years older than husband Ashton Kutcher – is a huge fan of a detox treatment which involves the unpleasant creatures being placed on her body.

She said: “I feel like I’ve always been someone looking for the cutting edge of things that optimise your health and healing. I was in Austria doing a cleanse and part of the treatment was leech therapy.

“These aren’t just swamp leeches though – we are talking about highly trained medical leeches. These are not some low level scavengers – we’re talking high level blood suckers.”

Demi says she now feels very relaxed and refreshed after her treatments but admits it was quite unnerving to begin with.

She added to US talk show host David Letterman: “It detoxifies your blood – I’m feeling very detoxified right now. I did it in some woman’s house lying on her bed. We did a little sampler first, which is in the belly button.

“It crawls in and you feel it bite down on you and you want to go, ‘You b*****d.’ Then you relax and work on your Lamaze breathing just to kind of relax.

“You watch it swell up on your blood, watching it get fatter and fatter – then when it’s super drunk on your blood it just kind of rolls over like it is stumbling out of the bar.”