Authorities said they suspected the attacker was under the influence of bath salts.

CNN: Former bath-salts addict: 'It felt so evil'

Penrice's neatly packed, granular bicarbonate still appeals to fastidious customers in Japan, where it puts the fizz in bath salts.

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Police in Panama City, Florida, said last year they had seen two violent incidents linked to use of bath salts.

CNN: Former bath-salts addict: 'It felt so evil'

Under the law, anyone convicted of selling, making or possessing 28 synthetic drugs, including bath salts, will face penalties similar to those for dealing traditional drugs like cocaine and heroin.

MSN: 'Bath salts' ban may do little to curb new drugs

Each is accented with Persian carpets, glass-beaded chandeliers, and Jacuzzis equipped with urns full of bath salts from the Dead Sea, as well as a welcome pitcher of lemonade sweetened with rose water.

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'Man Bites Car, Bath Salts to Blame?

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With the internet being the "main method" of promoting legal highs, "more often than not misleading claims are made about the substance, eg purporting that substances are bath salts or fish food", the council called on the Advertising Standards Authority to investigate claims made by the websites.

BBC: Legal highs need more controls, say drug council

"I suppose if you lay in a bath filled with mineral salts and trace elements some small part of that will be absorbed through your skin, " he says.

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