Dough - Series 1: Hairdryers

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<p>How do modern hairdryers protect against damage from excessive heat?</p><p>Dough is a new series from BBC Radio 4 which looks at the business behind profitable, everyday products and considers how they might evolve in the future.</p><p>In this episode, the entrepreneur Sam White speaks with experts from the world of hairdryer manufacturing, namely Robyn Coutts, a senior design manager at Dyson and Andrew McDougall, director of beauty and personal care research at the analysts, Mintel. </p><p>Also joining them is the technology expert and applied futurist Tom Cheesewright, who offers his insight and predictions on what might be coming beyond the current production pipeline.</p><p>Together, they explore how hairdryers went from gas-powered chimneys to handheld devices, examine some of the latest trends and technology before giving their expert opinions on game-changing - and pointless - hair drying innovations.</p><p>Dough looks at where the smart money's going now and what that could mean for all of us in the years ahead.</p><p>Produced by Viant Siddique and Jon Douglas. </p><p>Dough is a BBC Audio North production for BBC Radio 4 and BBC Sounds.</p><p>Sliced Bread returns for a new batch of investigations in August when Greg Foot will investigate more of the latest so-called wonder products to find out whether they really are the best thing since sliced bread.</p><p>In the meantime, Dough is available in the Sliced Bread feed on BBC Sound</p>