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Do I need to shampoo twice?
If you’ve heard ‘lather, rinse, repeat’, you might be wondering whether there’s any truth in it. Well, it all depends on your lifestyle. If you spend a lot of time outdoors or use plenty of styling products, doubling up on shampoo can help remove build-up. If you wash your hair almost daily, then shampooing just once is good practice – because too much shampooing could strip hair of its natural, protective oils, leaving it vulnerable to damage