By Danielle Kate Wroe Working out your hair wash day for the events you have coming up that week is a science – but an expert has warned that washing too frequently can actually do more harm than good to your scalp. Everybody wants to keep their tresses in perfect condition, with healthy, luscious locks on their head – buthow do you achieve that? Regardless of your hair type, washing it too often isn’t great for your hair, so according to expert Saul Meskin, a hair maintenance expert at Foxy Locks, it may be time to mix up your hair-washing routine in favour of something new. Saul explained to…