A mum has taken to TikTok to share a hack she swears by for avoiding red, raw, painfully-chafed skin as temperatures soar in a video that has been viewed more than 400,000 timesA mum has taken to TikTok to share a hack she swears by for avoiding red, raw, painfully-chafed skin as temperatures soar in a video that has been viewed more than 400,000 times