eli5: What is it in “adult” shampoos that makes our eyes hurt and how exactly are kids shampoos formulated to be “eyefriendly”?

Question

eli5: What is it in “adult” shampoos that makes our eyes hurt and how exactly are kids shampoos formulated to be “eyefriendly”?

In: Chemistry

Answer 1

I read that “No tears” advertising shampoos means no tears as in unknotting smoothly without tearing the hair, not anything to do with tears from our eyes