Suncream

Suncreams from Asda, Calypso and Bondi Sands failed some of the consumer group's tests, while cheaper alternatives from budget supermarkets, like Lidl, passed.

None of the five mineral SPF30 products included in tests offered the advertised level of protection, the consumer group Which? said.

Several children have ended up in hospital in the past two days with sunburn, sparking doctors to warn parents about the importance of sun protection.