According to Nioxin, products that are opened should be used within 12 months for maximum effects. If the Nioxin bottle is not open, it has a shelf life of 36 months, which is 3 years. It is not that they can not be used after these time frames, it is just that they may not be as effective.
I hate to throw anything out, so I think I would probably just use them if that time period past. If you like to be safe, just toss them if need be and buy new Nioxin products. For more information in regards to this, I will include the Nioxin official site link below.
I found the answer for you in their frequently asked questions section. nioxin.com/en-US/faqs-page.aspx
.I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.