Palmer's Olive Oil Formula Deep Conditioner With Jamaican Black Castor Oil (£2.50) will absolutely save your hair. I first got into Palmer's hair line by a very happy accident. I ordered a purple shampoo on Amazon, and it accidentally sent me Palmer's Olive Oil Co-Wash. It transformed my hair with the first wash and got me sold on co-washing. If its co-wash is so good, then I had to try its deep conditioner, and, of course, it was incredible. In my opinion, coconut is good for looser curls, while olive oil is more moisturising for thicker curl textures. I also love that for only £2, you can buy single-use packs, which are great for travel and keep the ingredients active and fresh.