The most expensive natural shampoo in this round-up, but worth every penny thanks to its hair-transforming hero ingredient, rahua oil, that the brand is named after. The rare but sustainably ...

Here, she tells us. “I can’t go without Rahua’s Hydrating Shampoo, £32, and Hydrating Conditioner, £34. I discovered this hair duo only recently but, after a few months, I have already ...