Professor Regan investigates products that use science to sell. She tackles the world of Diet, Beauty, Medicines and Nursery products. Which products will make it into Prof Regan's scientifi... Read allProfessor Regan investigates products that use science to sell. She tackles the world of Diet, Beauty, Medicines and Nursery products. Which products will make it into Prof Regan's scientifically approved shopping trolley?Professor Regan investigates products that use science to sell. She tackles the world of Diet, Beauty, Medicines and Nursery products. Which products will make it into Prof Regan's scientifically approved shopping trolley?