Warning over ‘dangerous and ineffective’ ultraviolet anti-virus cleaning products

‘Some of these devices are likely to be ineffective at disinfecting your home or could pose safety risks due to unclear instructions or emitting UVC light in an unsafe manner’, consumer group warns

St John Ambulance instructor Keith Vickers is illuminated by ultra violet light to demonstrate how bacteria and contamination can be spread as he trains volunteers (Getty Images)

A string of UV cleaning products that claim to kill viruses and bacteria may be ineffective and dangerous, a leading consumer group has warned

UVC light - the most harmful form of UV radiation - is commonly used in locations such as hospitals, factories and water treatment plants.

But the coronavirus pandemic has created a growing market for UVC devices such as lamps, wands and sterilisation boxes for use in the home.