Sharing your towels with someone especially a stranger can be very risky. It is nearly impossible to get rid of all the minute bacteria and unseen dead skin cells. They stick on your towels especially bath towels, so you might consider them clean and assume that they are not due for washing. However, using dark-colored towels can be even worse, because these germs disguise in them. Towel manufacturers in Portugal suggest one should avoid sharing his towel with anyone, as it will reduce the risk of transmission of germs. What do you think?