Pureology Nanoworks Gold Conditioner isn’t quite a time machine, but it’s along the same lines. This vegan, sulfate-free conditioner aims to bring hair back from the brink, restoring damaged, brittle hair to its former glory. If you’ve got ageing hair, and especially if it’s been coloured, this one has your name on it. It’s packed with hair-loving oils and vitamins to soften, strengthen and hydrate. Winner. Pureology Nanoworks Gold Conditioner for advanced hair luxuriously hydrates and renews color-treated hair, leaving hair stronger and more youthful.