One summer holiday back in 2013, I was on holiday in Laos, Southeast Asia, and I saw wild loofahs growing next to a river. It is one thing using a loofah and knowing that it is a natural product, but quite another seeing it growing wild and free. I was amazed and stopped to take some photos of one I picked. In hindsight I should have taken a lot more photos… Loofahs are typically long and cucumber shaped, native to Southeast Asia. They are part of the gourd family along with watermelon, zucchini and squash. Before the loofah fruit become…