By Saskia Rowlands Blokes needled by pals criticising their appearance are turning to Botox, fillers and other beauty jabs. The number of men opting for injections to make them look younger has more than doubled in the past two years. Last year, fellas made up nearly a quarter of patients for injectable beauty treatments – up 70% on 2021, according to a survey by the British College of Aesthetic Medicine. Such “tweakments” are normally associated with glamorous women and experts say the surge is driven by a rise in male celebrities looking flawless. Music and reality TV mogul Simon Cowell, 64,…