This is FALSE, these marks are used by the machines to detect the end of the tube so they can crimp the ends shut. Similarly, the colored marks on food product packaging are used to tell when the printer is low on ink. This is why Google exists.
Castile soap is one of the most versatile cleaning products in existence. It’s natural and it can be used for anything from cleaning your hardwood floors to washing your hair. There’s no reason to expose yourself to harsh chemicals when you can clean with this green alternative. Using Castile soap actually saves you quite a bit of money as well. Read on as eBay breaks down the many uses of this miracle soap.