Why isn’t it standard for adult shampoo to be tear free (like kids shampoo)?

Question

Why isn’t it standard for adult shampoo to be tear free (like kids shampoo)?

In: Other

Answer 1

I would imagine the difference comes from balancing the effectiveness of the shampoo versus how irritating it can be to the eyes. With kids, eye contact is much more likely. As you age, you learn/understand how to not get shampoo in your eyes, so the balance moves in favor of effectiveness. That said, it is only a guess.