@kpatttttt Well shampoo is 1 and conditioner is 1. When you add them together, that makes 2. And you put them both in 1 bottle, that creates the 2 in 1.
My wife and I are having a full blown argument at 1:53am about who’s a bigger artist between @taylorswift13 and @theweeknd and I will not concede that The Weeknd is the best artist of our lifetime!