Before night falls at the camp, we repair to our quarters next to the cowshed, where one female guerrilla cuts, plaits and arranges another’s hair.

The Goods Inside: Hand cream, lip balm and towelette from the British spa brand Cowshed; navy skidproof socks, eye mask, comb and dental kit.

Many scientists argued that the abundant microbes of the cowshed stimulated children’s immune systems in a way that prevented allergic disease.