Could you please give me a list of unnatural behaviors?Such as dying your hair..shaving your legs..?

I am reading about ity for my philosophy cl and one of the most popular fallacious argument is that it is unnatural(The true definition of this is : Not being in accordance with normal human feelings or behavior-And in my opinion,the definition of normality is a relative concept..so lets stick with unnatural), which is why I want to know of all the other things that people do everyday without a second thought that isn't natural and yet morally acceptable in most society's