Any rights to compensation would be spelled out in the ticket you purchased.

No, their sergeant can not order them to get legal guardianship over her.

Part of any suit is proving damages, and then being able to collect them. Awfully difficult with a minor.

You have asked this question before. You really need to retain counsel to get a definitive answer.

Nothing in your post suggests a conflict of interest..

You will have to retain a product liability attorney and fund an expert to link the hair loss to the product.

This is a customer service issue, not a legal issue..............

You don't indicate that their discrimination was illegal (like against a race, gender, etc) or that you were harmed, so there doesn't appear to be...

What happens? Is a pretty broad question. Hopefully what happens is you learn to conform your behavior.

You don't indicate who you could sue or why...................