Products featured in this Mail Best article are independently selected by our shopping writers. If you make a purchase using links on this page, we may earn an affiliate commission. Cleaning guru Mrs Hinch, aka Sophie Hinchliffe, has amassed a staggering 4.1 million followers on Instagram by sharing her quick and easy house cleaning tips and tricks, and she's even the author of the bestselling book titled Hinch Yourself Happy. Yesterday, the cleaning guru posted on the social media platform step-by-step instructions on how she deep cleans her uPVC window sills and tracks. Not only is it simple to do, but it also provides immediate results.