Scots are being warned not to fall for cold calls from heartless scammers flogging dodgy face masks and hand sanitiser.Trading Standards Scotland warned the con artists were targeting consumers across the country and claiming that their face coverings were more effective against Covid-19.The scammer is believed to offer face masks, gloves and hand gel for £29.99 and gives misleading information about the killer virus in a bid to scare their intended victim.The watchdog is urging Scots to report calls where they are being asked for their bank details to purchase the suspect goods.A statement on their website said: “There have been reports by Scottish consumers this week about cold calls offering face masks, gloves and hand sanitiser for