Here, Claire Coleman separates fact from fiction with a myth-busting guide…MYTH: THEY CAN CAUSE SKIN IRRITATIONTRUE OR FALSE? ‘Some products will contain alcohol that can strip the skin barrier and cause stinging, dryness or irritation,’ says Dr Khorana. MYTH: DEODORANTS CAUSE CANCERTRUE OR FALSE? But there’s no reliable evidence that parabens cause breast cancer in people.’Similarly, they conclude, ‘the best studies have shown no link between aluminium, deodorants and breast cancer’. TrueReddit forums are packed with users complaining that anti-perspirants cause painful cysts, boils or spots.