Meet The Human Etch A Sketch

Sarah Beal can create designs on her skin that vanish within an hour.

The 43-year-old has a rare condition called dermatographia which causes her skin to swell after even the smallest scratch.

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Beal isn’t letting her sensitive skin get her down though.

She thinks the fact she can draw on her skin is ‘so cool’, admitting it’s her party trick.

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‘The Etch A Sketch comparison is pretty accurate, although I wish a good shake was enough to get rid of the itching,’ she said.

Beal discovered she had dermatographia after researching the condition online.

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‘I grabbed a spoon and with the handle I drew a heart on my arm. When I saw it appear I loved it,’ she said.

‘I quickly took a picture of the heart and uploaded it to Facebook before it disappeared.’

The 43-year-old claims she takes no regular medication to control the condition.

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She says clothes and jewellery can be uncomfortable but thinks her skin condition acts as a great conversation starter.

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Dermatographia is thought to be triggered when cells under the surface of the skin release histamines after experiencing the smallest amount of pressure, resulting in a type of allergic reaction.