SHOPPERS are being warned over "rip-off" deals found at retailers like Boots and Superdrug following an investigation by Which?. The consumer group found "concerning" loyalty scheme pricing practices at a number of high street chains and supermarkets. 1 Shoppers are being warned over "rip-off" deals found at retailers like Superdrug Credit: Getty This includes a number of products being listed at member-only promotional prices for more than half of the year, according to the group's investigation.

Which? said it had analysed the pricing history of almost 12,000 products at health and beauty retailers and supermarkets over the past year to uncover how genuine the loyalty savings were. As part of this, it found one in six (16%) Superdrug products on a loyalty offer had been at the non-member price for less than half the time. At Boots, it was one in 10, and for supermarkets, it was 10% at Tesco, 5% at Sainsbury's and 3% at Co-op.

READ MORE IN MONEY SUN SAVERS Six apps that will help you save on your weekly supermarket shop ALL CHANGE Morrisons to make change to self-service checkouts - boss says it 'went too far' Which? said it also identified cases where prices were raised to a higher price for a relatively brief period before going on “offer”. It said the examples it found are "seemingly an outright rip-off". The group said that at Boots an Oral-B iO7 electric toothbrush in blue was at a non-member price of £400, while the members' price was £150.

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