The best deep conditioners for hair

Dry summer hair will lap these up gratefullyI have a very narrow window when I’m keen to test deep conditioners on my hair. In winter, spring and autumn, it responds to rich conditioner like a weeping willow does to a biblical downpour. But in summer, when it gets drier and straw-like, it soaks up the right product gratefully while managing to keep some bounce.My conditioning mask of choice has mostly been Philip Kingsley’s Elasticizer (£18, 75ml; various, delicious-smelling &l