Ultimate guide to anti-ageing your hair: Critics say long hair over 40 is ageing and try-hard. But here are the expert style tricks that are face-slimming, super flattering and take off years - and the common colour mistake you MUST avoid

The article discusses how critics perceive long hair over 40 as ageing and try-hard, but offers expert styling tips to achieve face-slimming, flattering looks that reduce perceived age. It also highlights a common hair color mistake to avoid for an anti-ageing effect.