I tried a budget shower filter head for London's hard water – and it actually worked

Despite living in London her entire life, our reviewer never realised how polluted the water truly was - (Maisie Bovingdon/The Standard)

Shower filter heads take it back to basics with haircare and skincare. Hard water areas like London and other major cities can contribute to dullness and dryness.

If you’ve noticed brittle ends, an itchy scalp, or fading colour, it could be down to calcium and magnesium levels.