"This is a great tip." Traveler shares brilliant hack to reuse old bottle caps for everyday chores: 'It's surprisingly ...

Bar shampoo and conditioner can replace those sold in plastic bottles. They come in a reusable glass jar or a compostable box ...

Perhaps they want to reduce plastic waste or microplastic intake ... whether it be just a quick rinse or with soap and water. Of those who did wash their bottles, they only did so about once a month.