Our hair can take a battering in the cold and wind at this time of year, leaving it dry, brittle and pretty lacklustre. But all is not lost – and adding something as simple as a hair mask into your beauty routine can make the world of difference.

Take the Hair Gain Hair Mask (180ml). It’s a Marie Claire hair care award winner, and you can buy it as a one-off – for £31.99 – or subscribe to get one every 30 days for £25.59 (down from £31.99). 

It’s packed with good stuff – no parabens or…